Mexican Quinoa Casserole Recipe

Introduction

This Mexican Quinoa Casserole is a flavorful and hearty dish perfect for a comforting weeknight meal. Packed with colorful vegetables, black beans, and a blend of Mexican spices, it’s a nutritious twist on traditional enchiladas. Topped with melty cheese and fresh garnishes, it’s sure to please the whole family.

The image shows two white plates filled with a colorful layered dish. The base layer is a mix of black beans, corn, and quinoa with a baked texture and golden brown melted cheese on top. On each plate, the dish is topped with a dollop of white sour cream, bright red diced tomatoes, green chunks of avocado, and small green herb pieces sprinkled over. One plate also has a triangular beige tortilla chip sticking out from the side, and both plates are garnished with a fresh green lime wedge placed at the edge. In the top left corner, there is a white baking dish filled with more of the same baked mixture, sitting on a white marbled surface with scattered lime wedges and small bits of herbs around. Photo taken with an iphone --ar 4:5 --v 7

Ingredients

  • 1.25 cups uncooked quinoa
  • 2 medium onions, diced
  • 6 cloves garlic, minced
  • 1 jalapeno pepper, seeds removed and finely diced
  • 1 red bell pepper, diced
  • 1 (10 oz) bag frozen corn
  • 16 oz enchilada sauce
  • 2 cans black beans, drained
  • 3 cups Mexican cheese blend, shredded
  • Juice of 1 large lime
  • 1 tablespoon cumin
  • 1/4 teaspoon cayenne pepper
  • 1 teaspoon chili powder
  • 1/2 teaspoon smoked paprika
  • Salt, to taste
  • Black pepper, to taste
  • Diced roma tomatoes, for topping
  • Diced avocado, for topping
  • Sliced lime wedges, for serving
  • Sour cream, for serving (optional)
  • Tortilla chips, for serving (optional)

Instructions

  1. Step 1: Rinse the quinoa thoroughly and cook it according to package instructions. Set aside once cooked.
  2. Step 2: Remove the seeds from the jalapeno pepper and dice it finely.
  3. Step 3: Dice the garlic, onions, and red bell pepper.
  4. Step 4: In a skillet, combine the diced bell pepper, jalapeno, garlic, onion, 1 tablespoon olive oil, 1/4 teaspoon salt, and 1/4 teaspoon black pepper.
  5. Step 5: Sauté the mixture on medium-high heat, stirring often, for 8–10 minutes until the peppers begin to soften.
  6. Step 6: Add the frozen corn to the skillet and cook for another 4–5 minutes until heated through.
  7. Step 7: In a large bowl, combine the cooked quinoa, sautéed vegetable mixture, lime juice, drained black beans, enchilada sauce, 1 1/2 cups of shredded cheese, cumin, cayenne, chili powder, and smoked paprika.
  8. Step 8: Stir everything well and add additional salt and pepper to taste if desired.
  9. Step 9: Transfer the mixture to a 9 x 13-inch baking dish, spreading it evenly.
  10. Step 10: Bake the casserole at 375°F (190°C) for 20 minutes.
  11. Step 11: Remove the casserole from the oven and sprinkle the remaining 1 1/2 cups of cheese evenly over the top.
  12. Step 12: Return to the oven and bake for an additional 10 minutes or until the cheese is melted and bubbly.
  13. Step 13: Remove from oven and top with diced roma tomatoes and diced avocado. Serve with optional fresh lime wedges, sour cream, and tortilla chips.

Tips & Variations

  • Use cooked chicken or ground turkey for added protein.
  • For extra spice, leave some jalapeno seeds or add a dash of hot sauce.
  • Swap the Mexican cheese blend for pepper jack for a spicier flavor.
  • Use fresh corn if available in season to enhance freshness.
  • To make it vegan, omit cheese or use a plant-based cheese alternative.

Storage

Store leftover casserole covered in the refrigerator for up to 3 days. Reheat in the oven at 350°F (175°C) until warmed through, about 15–20 minutes, or microwave individual portions. The casserole can also be frozen for up to 2 months; thaw overnight in the refrigerator before reheating.

How to Serve

The image shows a white rectangular baking dish filled with a layered baked casserole. The top layer is golden-brown melted cheese mixed with patches of orange cheddar and white mozzarella, sprinkled with small green herbs. Below the cheese, there are visible layers of dark beans, yellow corn, and a textured ground meat mixture with a rich reddish-brown sauce. The casserole is thick, nearly reaching the dish's edges, and a serving scoop lifts a portion from the corner, revealing the layers inside. The background features a white marbled surface and a soft gray cloth partially under the dish, with some tortilla chips in a basket out of focus behind. Photo taken with an iphone --ar 4:5 --v 7

Serve this delicious recipe with your favorite sides.

FAQs

Can I prepare this casserole ahead of time?

Yes, you can assemble the casserole a day in advance and keep it covered in the refrigerator. Bake it fresh when ready to serve for best texture and flavor.

Is quinoa a good substitute for rice in casseroles?

Absolutely. Quinoa adds a nutty flavor and extra protein while cooking faster than rice, making it a nutritious and convenient option in casseroles.

Print

Mexican Quinoa Casserole Recipe

This Mexican Quinoa Casserole is a hearty, flavorful vegetarian dish that combines fluffy quinoa with sautéed peppers, black beans, and a zesty enchilada sauce. Topped with a melty Mexican cheese blend and fresh garnishes like diced tomatoes and avocado, it’s a satisfying one-dish meal perfect for family dinners or meal prep.

  • Author: Luna
  • Prep Time: 20 minutes
  • Cook Time: 35 minutes
  • Total Time: 55 minutes
  • Yield: 6 servings 1x
  • Category: Casserole
  • Method: Baking
  • Cuisine: Mexican
  • Diet: Vegetarian

Ingredients

Scale

Quinoa Base

  • 1.25 cups uncooked quinoa

Vegetables and Aromatics

  • 2 medium onions, diced
  • 6 cloves garlic, minced
  • 1 jalapeno pepper, seeds removed and finely diced
  • 1 red bell pepper, diced
  • 1 10 oz bag frozen corn
  • Diced roma tomatoes, for topping
  • Diced avocado, for topping
  • Sliced lime wedges, for serving

Beans and Sauce

  • 2 cans black beans, drained
  • 16 oz enchilada sauce
  • Juice of 1 large lime

Cheese and Seasonings

  • 3 cups Mexican cheese blend, shredded (divided: 1 1/2 cups for mixing, 1 1/2 cups for topping)
  • 1 tablespoon cumin
  • 1/4 teaspoon cayenne pepper
  • 1 teaspoon chili powder
  • 1/2 teaspoon smoked paprika
  • Salt, to taste
  • Pepper, to taste
  • 1 tablespoon olive oil

Optional for Serving

  • Sour cream
  • Tortilla chips

Instructions

  1. Cook Quinoa: Rinse quinoa thoroughly under cold water. Cook according to package instructions until fluffy. Set aside to cool slightly.
  2. Prepare Vegetables: Remove seeds from the jalapeno pepper and dice finely. Dice the onion, garlic, and red bell pepper.
  3. Sauté Vegetables: In a skillet, heat 1 tablespoon of olive oil over medium-high heat. Add diced bell pepper, jalapeno, garlic, and onion along with 1/4 teaspoon salt and 1/4 teaspoon pepper. Sauté, stirring often, for 8 to 10 minutes until the peppers start to soften.
  4. Add Corn: Stir in the frozen corn and cook for another 4 to 5 minutes until heated through.
  5. Combine Casserole Mixture: In a large bowl, combine the cooked quinoa, sautéed vegetable mixture, juice of one large lime, drained black beans, enchilada sauce, 1 1/2 cups of shredded Mexican cheese blend, cumin, cayenne, chili powder, and smoked paprika. Mix thoroughly. Adjust salt and pepper to taste if desired.
  6. Prepare Baking Dish: Transfer the quinoa and vegetable mixture evenly into a 9×13 inch baking dish.
  7. First Bake: Bake uncovered in a preheated oven at 375°F (190°C) for 20 minutes to heat through and allow flavors to meld.
  8. Add Cheese Topping: Remove the casserole from the oven and sprinkle the remaining 1 1/2 cups of Mexican cheese blend evenly on top.
  9. Final Bake: Return to oven and bake an additional 10 minutes or until the cheese is melted and bubbly.
  10. Serve: Garnish the casserole with diced roma tomatoes and diced avocado. Serve warm with optional fresh lime wedges, sour cream, and tortilla chips on the side.

Notes

  • Rinsing quinoa before cooking removes its natural bitterness.
  • Removing jalapeno seeds reduces spiciness while retaining flavor.
  • Cheese can be substituted with dairy-free alternatives to make this vegan.
  • This casserole can be made ahead and refrigerated, then baked before serving.
  • For extra protein, add cooked chicken or ground turkey if not vegetarian.
  • Adjust spices to your heat preference, especially cayenne and jalapeno amount.

Keywords: Mexican Quinoa Casserole, Vegetarian Casserole, Mexican Food, Quinoa Recipes, Healthy Dinner, Enchilada Casserole

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