Delicious Peanut Butter Banana Overnight Oats: The Ultimate 5-Minute Breakfast Solution
Start your day the right way with these incredibly easy and undeniably delicious Peanut Butter Banana Overnight Oats. Requiring just 5 minutes of active prep time the night before, this recipe is a game-changer for anyone with a busy morning routine. Say goodbye to rushed breakfasts and hello to a wholesome, satisfying meal that practically makes itself while you sleep!

Overnight oats have revolutionized the way we approach breakfast, transforming it from a hurried affair into a delightfully simple and nutritious start to the day. They stand out as the ultimate make-ahead breakfast, offering unparalleled ease of preparation, incredible versatility, and remarkable filling power. The beauty of overnight oats lies in their hands-off nature; instead of hovering over a hot stove to cook traditional oatmeal, these oats “cook” themselves in your refrigerator overnight. This means you can wake up to a perfectly prepared, healthy meal without any morning fuss.
The entire process of making Peanut Butter Banana Overnight Oats truly takes a mere five minutes. Picture this: a quick slice of banana, combining it with a few other pantry staples in a jar, a gentle stir, and then tucking your jar into the fridge. It’s that simple! This minimal effort the night before eliminates any excuse not to enjoy a homemade, wholesome breakfast, even on your most hectic weekdays. It’s a testament to how easy and accessible healthy eating can be when you plan a little in advance.

Key Ingredients for Perfect Peanut Butter Banana Overnight Oats
Creating delicious overnight oats starts with understanding the role of each ingredient. While the full recipe with precise measurements is provided below, here’s a closer look at the components that make this peanut butter banana combination so special, along with some helpful tips and substitution ideas.
- Almond Milk: This plant-based milk provides a creamy base and keeps the recipe vegan. Its mild flavor doesn’t overpower the peanut butter and banana.
- Alternatives: Feel free to use any milk you prefer. Oat milk offers extra creaminess, soy milk adds more protein, and dairy milk works perfectly for non-vegan versions. Even coconut milk can lend a tropical twist, though it will change the flavor profile.
- Gluten-Free Certified Old Fashioned Oats: The star of our breakfast! Old-fashioned rolled oats are crucial for the right texture in overnight oats. “Gluten-free certified” is important for those with celiac disease or gluten sensitivity, ensuring no cross-contamination.
- Why Old-Fashioned? They absorb liquid slowly and retain a pleasant chewy texture. Quick oats can become too mushy, while steel-cut oats are too dense and won’t soften sufficiently without cooking.
- Banana: Ripe bananas are key here. They provide natural sweetness and a lovely creamy texture once mashed or softened in the oats.
- Ripeness: Opt for bananas with a few brown spots; they’re sweeter and easier to mash. You can slice them and layer them, or mash them into the oats for a more uniform flavor.
- Cinnamon: A warming spice that complements both peanut butter and banana beautifully, adding depth to the flavor.
- Other Spices: A pinch of nutmeg, cardamom, or even a tiny dash of ginger could also work if you’re feeling adventurous.
- Coconut Sugar: Our chosen sweetener, offering a subtle caramel note and a slightly lower glycemic index than white sugar.
- Sweetener Options: Maple syrup, agave nectar, or a touch of stevia are excellent alternatives. Adjust the quantity to your personal preference for sweetness. You can always add more in the morning!
- Peanut Butter: The namesake ingredient, providing rich flavor, healthy fats, and protein that makes this breakfast so satisfying.
- Type: Use natural peanut butter (the kind with just peanuts and maybe salt) for the best flavor and nutritional benefits. Both creamy and crunchy varieties work; crunchy will add an extra textural element.
- Nut Butter Alternatives: Almond butter, cashew butter, or even sunflower seed butter (for nut-free options) can be swapped in if you have different preferences or dietary needs.
- Optional Toppings (Coconut flakes, chopped nuts, or chia seeds): These additions elevate the texture, add extra nutrients, and allow for customization.
- Beyond the Basics: Consider a sprinkle of flax seeds for omega-3s, a handful of fresh berries for a tart contrast, chocolate chips for indulgence, or a drizzle of extra peanut butter or maple syrup before serving.
Crafting Your Peanut Butter Banana Overnight Oats: A Simple Guide
This recipe is incredibly flexible, serving as a perfect template for countless overnight oats creations. Follow these simple steps to prepare your hearty breakfast:

- Combine the Ingredients: In a jar or airtight container, add the almond milk, old-fashioned oats, cinnamon, coconut sugar, and peanut butter. Stir everything together thoroughly until all ingredients are well incorporated and the peanut butter is evenly distributed. You can add the sliced or mashed banana on top as a layer, or mix it directly into the oat mixture for a more integrated flavor.
- Refrigerate: Once combined, cover the jar tightly. Place it in the refrigerator and let it sit overnight. For optimal texture and flavor development, a minimum of 6-8 hours is recommended, allowing the oats to fully absorb the liquid and soften.

- Enjoy! The next morning, retrieve your jar from the fridge. Give the oats a quick stir, and if the consistency is too thick, add a splash more milk until it reaches your desired texture.
- Chilled: The most common way to enjoy overnight oats is chilled, straight from the fridge. Simply grab a spoon and dig in!
- Warmed: If you prefer warm oatmeal, you can easily heat your overnight oats. Transfer the contents of the jar into a small pot and warm gently over medium-high heat on the stovetop until heated through. Alternatively, microwave the oats in a microwave-safe container for about 45 seconds to 1 minute, stirring halfway, until warm.
Before serving, don’t forget to add your favorite toppings! This is where you can truly personalize your breakfast.
Overnight Oats 101: Everything You Need to Know for Success!
Beyond this delicious Peanut Butter Banana Overnight Oats recipe, mastering the art of overnight oats opens up a world of quick, healthy breakfast possibilities. Here are answers to common questions and essential tips to perfect your overnight oats prep.

What Kind of Oats Should I Use for Overnight Oats?
While various types of oats exist, for the best overnight oats experience, I strongly recommend using **old-fashioned rolled oats**. These oats are steamed and then rolled flat, giving them a larger surface area and a heartier texture that holds up beautifully after soaking.
- Old-Fashioned Rolled Oats: They absorb liquid perfectly, becoming creamy yet still retaining a pleasant chewiness. This balance is ideal for overnight oats, preventing them from becoming a soggy mess.
- Quick Oats: These are rolled thinner and cut into smaller pieces, meaning they absorb liquid much faster. While they can work in a pinch, they tend to result in a mushier, less satisfying texture when soaked overnight. If using quick oats, you might want to reduce the liquid slightly or shorten the soaking time.
- Steel-Cut Oats: Also known as Irish or Scottish oats, these are whole oat groats that have been cut into two or three pieces. They are the least processed and therefore very dense. Steel-cut oats do not soften sufficiently through cold soaking alone; they require cooking to become palatable. Using them for overnight oats will result in a tough, chewy, and often unpleasant texture.
For those with gluten sensitivities, always opt for “gluten-free certified” old-fashioned rolled oats to ensure they haven’t been cross-contaminated during processing or packaging.
Creative Variations & Customization Ideas
The beauty of overnight oats lies in their endless customization. While these Peanut Butter Banana Overnight Oats are a classic for a reason, don’t hesitate to experiment! Here are some ideas to inspire your next batch:
- Berry Burst: Add fresh or frozen mixed berries (strawberries, blueberries, raspberries) with a tablespoon of hemp seeds for extra omega-3s and protein.
- Chocolate Cherry: Combine cacao nibs or dark chocolate chips with sweet cherries (fresh or frozen) for a decadent, antioxidant-rich treat.
- Peach Cobbler: Diced peaches, a splash of vanilla extract, and a sprinkle of cinnamon evoke the comforting flavors of peach cobbler.
- Maple Pecan Pear: Layer with diced pears, a generous drizzle of maple syrup, and chopped walnuts or pecans for a nutty crunch.
- Protein Powerhouse: Incorporate a scoop of your favorite flavored vegan protein powder (vanilla, chocolate, or unflavored) to boost the protein content and keep you fuller for longer. Adjust liquid as protein powder can thicken the mixture.
- Tropical Delight: Add shredded coconut, mango chunks, and a hint of lime zest.
- Apple Pie: Grated apple, apple pie spice, and a spoonful of apple butter.
- Lemon Poppy Seed: Lemon zest, a squeeze of lemon juice, and poppy seeds for a bright, refreshing taste.
For more specific inspirations, check out these delicious recipes:
- Banana Bread Overnight Oats
- Espresso Cinnamon Overnight Oats
- 5-Ingredient Apple Cinnamon Overnight Oats
- Strawberry Coconut Overnight Oats (Meal Prep)
- Pumpkin Pie Overnight Oats
Are Overnight Oats Eaten Cold?
Yes, traditionally, overnight oats are eaten cold, straight from the refrigerator. The cold temperature might seem unusual for oatmeal at first, but it’s surprisingly refreshing and delicious, especially on warm mornings. The soaking process changes the texture of the oats, making them creamy and enjoyable without heat.
However, if you’re not a fan of cold oats or simply prefer a warm breakfast, you absolutely can heat them up! As mentioned in the “Enjoy” section, you can warm them gently on the stovetop in a small pot or quickly in the microwave. This flexibility makes overnight oats a versatile option for any preference or season.

What If I Don’t Have a Mason Jar? Can I Make Overnight Oats in Tupperware?
Absolutely! While Mason jars are popular for their aesthetic appeal and convenient grab-and-go nature, any container with an airtight lid will work perfectly for making overnight oats. The key is to have a sealable container that prevents air from getting in, which helps keep the oats fresh and prevents them from drying out in the fridge.
Suitable alternatives include:
- Tupperware or plastic food storage containers: These are excellent, especially if they have a good seal.
- Glass jars with tight-fitting lids: Any repurposed jam jars, pickle jars, or other glass containers work well.
- Small bowls covered tightly with plastic wrap: This is a simple solution if you don’t have a lidded container.
The ideal size for a single serving is usually around 10-12 ounces (approximately 300-350 ml) to allow room for the oats to expand and for toppings. Using a larger container is also fine, especially if you plan to mix in a lot of toppings or prepare a larger batch.
How Long Do Overnight Oats Last in the Fridge?
Overnight oats are an excellent choice for meal prep because they store well! Generally, a batch of overnight oats will last in the refrigerator for up to 5 days when stored in an airtight container.
However, the shelf life can vary slightly depending on the specific ingredients you add:
- Fresh Fruit: Softer fruits like bananas (especially if mashed) or berries can start to break down or become mushy after 2-3 days. If you’re meal prepping for a full week, consider adding softer fruits just before serving, or using fruits that hold up better, such as chopped apples or pears.
- Dairy Milk: If you’re using dairy milk, its expiration date should be your guide. Plant-based milks often have a longer shelf life once opened.
- Nuts and Seeds: These tend to keep well and can even soften slightly, making them more enjoyable.
For the freshest experience, especially when using delicate fruits, it’s often best to prepare 2-3 days’ worth at a time, or add toppings like fresh banana slices right before you eat them. This extended shelf life makes overnight oats a fantastic and efficient option for healthy meal prep breakfasts throughout the week.
Troubleshooting Common Overnight Oats Issues
- Too Thick/Dry: If your oats are too thick in the morning, simply stir in an extra splash of milk (or water) until you reach your desired consistency. Different oat brands and humidity levels can affect liquid absorption.
- Too Thin/Soupy: If your oats are too thin, you might have used too much liquid, or not enough oats. For future batches, reduce the liquid slightly. For the current batch, you can try adding a spoonful of chia seeds and letting it sit for another 30 minutes to an hour (chia seeds are excellent thickeners!).
- Not Sweet Enough: Taste your oats in the morning. If they need more sweetness, stir in an extra teaspoon of coconut sugar, maple syrup, honey, or your preferred sweetener.
- Mushy Texture: This is often a result of using quick oats instead of old-fashioned rolled oats, or soaking for too long (though old-fashioned oats rarely get truly mushy). Ensure you’re using the right type of oats for the best results.
The Abundant Benefits of Peanut Butter Banana Overnight Oats
Beyond their incredible convenience, Peanut Butter Banana Overnight Oats offer a wealth of health benefits, making them an excellent addition to your daily routine:
- Rich in Fiber: Oats are a fantastic source of soluble fiber, particularly beta-glucan, which is known to help lower cholesterol, stabilize blood sugar levels, and promote digestive health.
- Excellent Source of Protein & Healthy Fats: The peanut butter provides a substantial boost of plant-based protein and healthy monounsaturated and polyunsaturated fats, which contribute to satiety and sustained energy.
- Packed with Vitamins and Minerals: Bananas contribute essential nutrients like potassium, vitamin B6, and vitamin C. Oats themselves are a good source of manganese, phosphorus, magnesium, and zinc.
- Sustained Energy: The combination of complex carbohydrates from oats, healthy fats from peanut butter, and natural sugars from banana provides a balanced release of energy, keeping you feeling full and focused throughout your morning without a sugar crash.
- Heart Healthy: The soluble fiber in oats and healthy fats in peanut butter both contribute to cardiovascular health.
- Customizable for Dietary Needs: Naturally vegan and easily made gluten-free with certified oats, this recipe can be adapted to fit various dietary requirements and preferences.
- Affordable and Accessible: Oats, bananas, and peanut butter are generally inexpensive and widely available, making this a budget-friendly healthy breakfast option.
These Peanut Butter Banana Overnight Oats are more than just a quick meal; they’re a delicious, nutrient-dense breakfast that supports a healthy and active lifestyle. Enjoy friends! If you make this vegan peanut butter banana overnight oats recipe, please snap a photo and tag #jessicainthekitchen on Instagram! We’d also love it if you would leave a comment below, and give the recipe a rating! Thanks so much!

Peanut Butter Banana Overnight Oats
Servings: 1 serving
Prep Time: 5 mins
Total Time: 5 mins (plus chilling)
You’re only 5 minutes away from a hearty, delicious breakfast! These Peanut Butter Banana Overnight Oats are perfect for busy weekday mornings.
Rating: 5 out of 5 stars (from 14 ratings)
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Ingredients
- 1 cup almond milk
- ½ cup gluten-free certified old fashioned oats
- 1 banana, sliced
- ¼ teaspoon cinnamon
- 1 teaspoon coconut sugar
- 1 tablespoon peanut butter
- Optional: coconut flakes, chopped nuts, chia seeds (for topping)
Instructions
- Mix all the ingredients in a jar, except the bananas. Stir to combine and cover. You can add the bananas at the top or mix them in afterwards.
- Place in the fridge overnight (minimum 6-8 hours).
- The next morning, remove and eat in the jar. If you prefer to warm them, empty the jar into a small pot over medium-high heat, or microwave the oats for about 45 seconds (if using a microwave-safe jar). Top with your favorite toppings – walnuts, chia seeds, more peanut butter, and more coconut sugar or maple syrup (or anything else you want!).
- Enjoy!
Notes
- This recipe is vegan and gluten-free. You can adjust the quantity of bananas if you’d like more or less. You can also add more chia seeds (1-2 teaspoons) when mixing ingredients if you want a thicker, more pudding-like texture.
- You can adjust sweetness levels after it’s set up in the fridge and add more coconut sugar or even maple syrup if you desire.
- You can swap almond butter, sunflower seed butter, or any other nut or seed alternative butters that you own for the peanut butter.
- Overnight oats will last up to 5 days in the refrigerator when stored in an airtight container.
Nutrition Information (per serving, estimated):
- Calories: 402 kcal
- Carbohydrates: 62g
- Protein: 12g
- Fat: 14g
- Saturated Fat: 2g
- Sodium: 410mg
- Potassium: 673mg
- Fiber: 9g
- Sugar: 19g
- Vitamin A: 76IU
- Vitamin C: 10mg
- Calcium: 321mg
- Iron: 2mg
Disclaimer: Although jessicainthekitchen.com attempts to provide accurate nutritional information, kindly note that these are only estimates. Nutritional information may be affected based on the product type, the brand that was purchased, and in other unforeseeable ways. Jessicainthekitchen.com will not be held liable for any loss or damage resulting for your reliance on nutritional information. If you need to follow a specific caloric regimen, please consult your doctor first.
Cuisine: American
Course: Breakfast
Author: Jessica Hylton
