The Ultimate 5-Ingredient Cheesy Quinoa Casserole: Quick, Delicious & Vegan Perfection
Indulge in this incredibly easy Cheesy Quinoa Casserole, crafted with just 5 main ingredients and requiring a minimal bake time. You’ll be utterly delighted by the comforting blend of fluffy quinoa, gooey melted vegan cheese, and perfectly roasted tomatoes – a truly satisfying meal!

Ever since I first discovered the incredible versatility of quinoa, it has become an indispensable staple in my kitchen. I always keep a batch cooked and ready in my fridge, whether to enjoy plain as a healthy base or to incorporate into a variety of dishes. Lately, I found myself with an intense craving for the comforting flavors of rich cheese and vibrant, juicy tomatoes. This simple, yet powerful culinary desire sparked the creation of what I now proudly present to you: this utterly irresistible Cheesy Quinoa Casserole.

To simply state that this casserole was “good” would be a gross understatement. It was, without exaggeration, truly delicious. I’m talking about the kind of delicious that elicits an enthusiastic “Babe, that was SO GOOD!” from Mr. Jessiker Bakes, and makes me want to immediately reach for seconds – a rare occurrence in my world. The secret to its profound deliciousness lies in the beautiful simplicity of its ingredients. There’s nothing overly fancy or complicated here; just five core components working in perfect harmony, allowing each distinct flavor to shine through and complement the others.
This casserole embodies convenience. It’s essentially a straightforward process: whip up a creamy, savory cheese base, then gently fold in all the other delightful elements. Once assembled, it bakes for a mere 15 minutes, followed by a quick minute under the broiler to achieve that irresistible bubbly, golden-brown crust. The result? A wonderfully satisfying, creamy, and cheesy quinoa casserole, magnificently topped with soft, flavor-packed roasted tomatoes and an extra layer of cheesy goodness. And don’t feel any guilt about the cheese – it’s a perfectly balanced amount, especially when using a quality vegan mozzarella. The homemade tomato sauce (a recipe I’m excited to share with you next week!) truly elevates this dish, infusing it with pure, vibrant flavor, as is always the case with homemade condiments.
If you’re searching for a quick, comforting, and utterly satisfying meal to prepare on a busy weeknight, look no further. This Cheesy Quinoa Casserole is the answer to your culinary dreams. It’s incredibly easy to make, packed with flavor, and guarantees a happy, full belly. Happy Monday, and happy cooking!

Why This Cheesy Quinoa Casserole Is Your New Weeknight Hero
This isn’t just another casserole; it’s a game-changer for anyone looking for a wholesome, delicious, and incredibly quick meal. Here’s why this Cheesy Quinoa Casserole deserves a permanent spot in your recipe rotation:
Unbeatable Simplicity and Speed
In today’s fast-paced world, finding a meal that comes together quickly without compromising on taste is gold. With only 5 main ingredients, you won’t spend precious time hunting down exotic items. The hands-on prep time is minimal, and the oven does most of the work, baking to perfection in just about 15 minutes. This means you can have a warm, hearty, and homemade dinner on the table in under 30 minutes total, including a brief resting period. It’s truly a lifesaver for those busy weeknights when you crave comfort food but are short on time.
A Symphony of Flavors: Cheesy, Creamy, & Tangy
Imagine tender, protein-packed quinoa mingling with a lusciously creamy, savory cheese sauce. Now, picture that rich base studded with sweet, slightly roasted tomatoes that burst with fresh flavor. This casserole delivers an incredible textural and flavor experience. The melted vegan mozzarella provides that quintessential “cheesy” pull and richness, while the tomatoes add a bright, tangy counterpoint that elevates the entire dish. The addition of a good quality tomato or pasta sauce ensures a deep, umami foundation that ties everything together perfectly. It’s a harmonious blend that satisfies both cheese lovers and health-conscious eaters alike.
Healthy, Wholesome & Vegan-Friendly
Quinoa, often hailed as a superfood, forms the nutritious core of this casserole. It’s a complete protein, meaning it contains all nine essential amino acids, making this dish exceptionally satiating and beneficial for plant-based diets. Beyond its protein content, quinoa is rich in fiber, vitamins, and minerals. By using vegan mozzarella and almond milk, this recipe remains entirely plant-based, catering to those with dietary preferences or restrictions without sacrificing an ounce of flavor or creamy texture. It’s a fantastic way to enjoy comfort food that’s genuinely good for you.
Endless Versatility for Every Palate
While delicious on its own, this Cheesy Quinoa Casserole also offers a canvas for culinary creativity. It’s hearty enough to be a standalone main course, yet also works beautifully as a satisfying side dish. You can easily adapt it to suit your tastes or whatever you have on hand. Consider adding a handful of fresh spinach or kale for an extra boost of greens, or throw in some sautéed bell peppers for more color and crunch. Its adaptability makes it a forgiving and fun recipe to experiment with.
The Power of 5: Diving Into Our Key Ingredients
The magic of this casserole truly lies in its select few, yet mighty, ingredients. Each plays a crucial role in delivering the incredible flavor and texture:
- Cooked Quinoa: The cornerstone of our casserole. Quinoa provides a fantastic source of plant-based protein and fiber, making this dish incredibly filling and nutritious. Its mild, slightly nutty flavor is the perfect backdrop for the rich cheese and tangy tomatoes. Ensuring it’s perfectly cooked (fluffy, not mushy) is key.
- Tomato/Pasta Sauce: This ingredient brings depth and tang. While a store-bought quality marinara works wonderfully for speed, using a homemade sauce, if you have it, will undeniably elevate the overall flavor profile. It binds the casserole and infuses it with that classic Italian-inspired taste.
- Unsweetened Almond Milk: Essential for creating that desirable creamy base without adding dairy. Opting for unsweetened ensures the casserole remains savory and allows the natural flavors of the tomatoes and cheese to shine without competing sweetness. Any other unsweetened plant-based milk (like soy or oat) can also work.
- Shredded Vegan Mozzarella Cheese: The star of the “cheesy” aspect! Modern vegan mozzarellas have come a long way, offering excellent meltability and a satisfying, gooey texture. This is what gives the casserole its comforting, indulgent quality. Feel free to use your favorite brand that melts well.
- Medium Tomatoes, Diced: Fresh tomatoes add bursts of juiciness and a lovely brightness that cuts through the richness of the cheese. Dicing them allows them to soften and roast beautifully on top, intensifying their natural sweetness and creating a delightful texture contrast.
- Shredded Basil or Parsley (or other herb): While not one of the core 5, fresh herbs are an absolute must for garnish. They add a final touch of freshness, aroma, and visual appeal, bringing all the flavors together in a fragrant finish.
Crafting Your Cheesy Quinoa Casserole: Tips for Success
While this recipe is incredibly straightforward, a few simple tips can help you achieve casserole perfection every time:
Pre-Cook Your Quinoa Perfectly
The key to a great quinoa casserole starts with perfectly cooked quinoa. Make sure your quinoa is fluffy and separated, not clumpy or overcooked. If you’re planning ahead, cook a larger batch of quinoa at the beginning of the week and store it in the fridge; it will cut down your prep time even further for this casserole and other meals.
Mastering the Creamy Cheese Base
When melting the almond milk and ¼ cup of vegan cheese in the pan, keep the heat at medium-high and stir continuously. This ensures the cheese melts smoothly into the milk, creating a uniform, creamy sauce without sticking or burning. It should come together in just a minute or two, so don’t walk away!
Even Distribution for Even Cooking
Once you’ve combined all the ingredients in the pan, transfer the mixture to your greased baking dish and spread it evenly. This ensures every bite is consistent and that the casserole bakes uniformly, avoiding any dry or undercooked spots.
The Magic of the Broiler
Don’t skip the final minute under the broiler! This short burst of high heat is what gives the top layer of cheese that irresistible bubbly, golden-brown crust and slightly caramelized texture. Keep a close eye on it, as broilers can vary, and cheese can go from perfectly golden to burnt in seconds.
Allow it to Rest
After taking the casserole out of the oven, it’s tempting to dig right in. However, allowing it to rest for about 5 minutes is crucial. This helps the casserole set, making it easier to serve and ensuring that all those wonderful flavors have a chance to meld together even further. It also prevents the quinoa from falling apart when scooped.
Serving Suggestions and Delicious Variations
This Cheesy Quinoa Casserole is a complete meal on its own, but you can elevate the experience with a few simple additions:
- Fresh Green Salad: A crisp side salad with a light vinaigrette provides a refreshing contrast to the richness of the casserole.
- Garlic Bread: For those who love to scoop up every last bit of cheesy goodness, a side of warm, crusty garlic bread is perfect.
- Steamed Greens: A simple side of steamed broccoli, green beans, or asparagus adds extra vegetables and color to your plate.
Creative Variations to Try:
- Add More Veggies: Stir in sautéed mushrooms, bell peppers, zucchini, or a handful of fresh spinach during the mixing stage for an extra nutrient boost.
- Spice It Up: A pinch of red pepper flakes or a dash of your favorite hot sauce can add a pleasant kick.
- Protein Power-Up: For non-vegan options (if not strictly adhering to veganism for this specific recipe), cooked shredded chicken or ground turkey would integrate well. For vegan alternatives, consider adding cooked black beans, chickpeas, or crumbled vegan sausage.
- Herb Variations: Experiment with different fresh herbs like oregano, thyme, or chives for varying flavor profiles.
- Different Cheeses: If not strictly vegan, a blend of cheddar and Monterey Jack would be fantastic. For vegan, try different vegan cheese blends!
Meal Prepping and Storage
This Cheesy Quinoa Casserole is not only delicious fresh from the oven but also makes for excellent leftovers and meal prep!
- Storage: Store any leftover casserole in an airtight container in the refrigerator for up to 3-4 days.
- Reheating: Reheat individual portions in the microwave until warmed through, or in a preheated oven (around 350°F / 175°C) for about 10-15 minutes, or until hot and bubbly. You might want to add a splash of plant-based milk before reheating in the oven to retain moisture.
- Freezing: This casserole freezes surprisingly well. Once completely cooled, wrap individual portions or the entire casserole tightly in plastic wrap and then in foil. It can be stored in the freezer for up to 2-3 months. Thaw overnight in the refrigerator before reheating.
MORE QUINOA INSPIRATION
By now, you’ve probably gathered that I’m a huge fan of quinoa, and for good reason! Its nutritional benefits and adaptability make it a culinary marvel. If you’ve fallen in love with this Cheesy Quinoa Casserole, you’ll definitely want to explore these other fantastic quinoa recipes that are packed with flavor and plant-based goodness.
First up, you’ll absolutely adore these Sun-dried Tomato and Mozzarella Quinoa Burgers! They’re hearty, full of vibrant flavor, and make for a perfect lunch or dinner option when you’re craving something a little different yet equally satisfying.
For a lighter, refreshing meal, try this Honey & Lime Quinoa Salad Bowl with BBQ Chickpeas. It’s bursting with fresh flavors and textures, making it ideal for warmer weather or a vibrant meal prep option.
And for a fun, bite-sized appetizer or snack that’s always a crowd-pleaser, don’t miss these delightful Quinoa Pizza Bites. They’re quick to make and disappear even faster!

Cheesy Quinoa Casserole – 5 Ingredients
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Ingredients
- 3 cups cooked quinoa
- 1 cup tomato/pasta sauce
- 1/3 cup unsweetened almond milk
- 3/4 cup shredded vegan mozzarella cheese
- 2 medium tomatoes, diced
- Shredded basil or parsley or other herb for the top
Instructions
- Preheat the oven to 350 degrees F (175 C). Lightly grease an 8×8 inch (20×20 cm) baking dish, and set it aside.
- In a medium-sized pan set over medium-high heat, combine the unsweetened almond milk and 1/4 cup of the shredded vegan mozzarella cheese. Stir constantly until the cheese has fully melted and the mixture is smooth and creamy, which should take approximately 1-2 minutes. Then, add the cooked quinoa, tomato/pasta sauce, a pinch of Italian seasoning (if using), and half of the diced fresh tomatoes. Stir all the ingredients together thoroughly until everything is well combined and the quinoa is coated in the creamy sauce.
- Carefully transfer the quinoa mixture into the prepared baking dish. Spread it out evenly with a spoon or spatula to create a smooth top surface. Sprinkle the remaining shredded vegan cheese and the rest of the diced tomatoes over the top of the casserole. Bake in the preheated oven for 15 minutes. After baking, switch the oven to broiler setting and broil for 1 minute, or until the cheese is bubbly and lightly golden brown. Be sure to watch it closely to prevent burning.
- Remove the casserole from the oven and allow it to cool and set for 5 minutes before serving. Garnish with freshly shredded basil, parsley, or your preferred chopped herb for an extra burst of flavor and color. Serve warm and enjoy your delicious Cheesy Quinoa Casserole!
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.
