Mexican Red Bean Quinoa Casserole

Featured in Delicious Plant-Based Recipes.

This Mexican Red Bean Quinoa Casserole is the perfect solution when you're craving those bold Mexican flavors but want something hearty, healthy, and meal-prep friendly. The beauty of this dish lies in its simplicity - just mix everything together in one bowl, pour into a baking dish, and let the oven do the work. The combination of protein-packed quinoa and kidney beans gives this dish staying power, while the tomatoes, bell peppers, and spices bring those authentic Mexican flavors you're looking for. What makes this recipe particularly appealing is how budget-friendly it is - using pantry staples like canned beans, corn, and tomatoes keeps the cost down without sacrificing nutrition. With 27g of protein and 14g of fiber per serving, it's a satisfying meal that will keep you full for hours. Plus, it divides perfectly into three generous portions for easy meal prep throughout the week.
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Updated on Fri, 21 Mar 2025 17:24:41 GMT
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This Mexican Red Bean Quinoa Casserole is a vibrant and hearty vegetarian meal prep option, bursting with Mexican inspired flavors. It's a satisfying blend of protein and fiber, making it a nutritious and delicious choice for your weekly meals.

Ingredients

  • Quinoa, uncooked: A protein rich grain that provides a hearty base.
  • Red kidney beans: A source of protein and fiber, adding a creamy texture.
  • Corn: Adds sweetness and a pop of color.
  • Canned chopped tomatoes: Provides a juicy, tangy element.
  • Chili powder, cumin powder, garlic powder, salt: A blend of Mexican spices that creates the flavorful base.
  • White onion, diced: Adds a savory base.
  • Red bell pepper, diced: Adds a sweet, crisp element.
  • Cheddar cheese, shredded: Adds a creamy, cheesy topping.
  • Water: adds the needed moisture for the quinoa to cook.
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Cooking Instructions

Prepare Ingredients:
Preheat your oven to 350°F (180°C). Drain the red kidney beans and corn thoroughly. Wash the uncooked quinoa under cold running water to remove any bitterness. Dice the white onion and red bell pepper into small, uniform pieces. Shred the cheddar cheese.
Combine Ingredients:
In a large mixing bowl, combine the washed quinoa, drained red kidney beans, drained corn, canned chopped tomatoes, chili powder, diced white onion, diced red bell pepper, cumin powder, garlic powder, salt, and water. Mix all the ingredients thoroughly until they are evenly combined.
Bake:
Lightly oil a baking pan to prevent sticking. Pour the quinoa mixture into the prepared baking pan and spread it evenly. Bake the casserole in the preheated oven for 30 minutes. Turn off the oven, and allow the casserole to sit inside of the warm oven for an additional 25 minutes, this will help the casserole to firm up.
Meal Prep:
Once the casserole has cooled slightly, divide it into individual servings and store them in meal prep containers.

Adding More Variety:

  • Add black beans or pinto beans for a different texture and flavor.
  • Incorporate diced tomatoes with green chilies or jalapeños for added heat.
  • Add other vegetables, such as zucchini, mushrooms, or spinach.

Serving Suggestions

Serve the casserole with a dollop of sour cream or Greek yogurt.

Top with salsa or guacamole for added flavor and freshness.

Serve with a side of corn tortillas or tortilla chips.

Variations

  • Use Monterey Jack or a Mexican cheese blend instead of cheddar cheese.
  • Add a layer of corn tortillas to the bottom of the casserole for added texture.
  • Use vegetable broth instead of water for a richer flavor.
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Storage and Reheating

Store the casserole in airtight containers in the refrigerator for 3 to 4 days.

Reheat the casserole in the microwave or oven until heated through. If the casserole appears dry after reheating, add a small amount of water or vegetable broth.

This Mexican Red Bean Quinoa Casserole is a hearty and flavorful vegetarian meal that's perfect for meal prep, providing a satisfying and healthy dish throughout the week.

Frequently Asked Questions

→ Can I use a different type of bean for this casserole?
Absolutely! While this Mexican casserole uses red kidney beans, you can easily substitute black beans, pinto beans, or even a combination. The cooking time and overall flavor profile will remain similar no matter which beans you choose.
→ Is there a way to make this Mexican Red Bean Quinoa Casserole dairy-free?
Yes, you can make this casserole dairy-free by either omitting the cheddar cheese completely or substituting it with your favorite dairy-free cheese alternative. The casserole will still be delicious and protein-rich without the cheese.
→ Can I add meat to this vegetarian casserole?
While this Mexican Red Bean Quinoa Casserole is designed to be vegetarian, you can certainly add cooked ground beef, turkey, or shredded chicken if you prefer. Just stir in about 1 pound of cooked meat when mixing the other ingredients together.
→ How can I add more spice to this Mexican casserole?
To increase the heat level, you can add 1-2 diced jalapeños, a dash of cayenne pepper, or use hot chili powder instead of regular. You could also top the casserole with sliced fresh jalapeños before baking or serve with hot sauce on the side.
→ Can I freeze this Mexican Red Bean Quinoa Casserole?
Yes, this casserole freezes beautifully. After baking and cooling completely, portion it into freezer-safe containers and freeze for up to 3 months. To reheat, thaw overnight in the refrigerator and then microwave until hot, or reheat in a 350°F oven for about 20 minutes.

Mexican Bean Quinoa Casserole

A flavorful vegetarian Mexican casserole combining protein-rich quinoa and beans with corn, tomatoes, and cheese - perfect for meal prep and budget-friendly cooking.

Prep Time
15 Minutes
Cook Time
55 Minutes
Total Time
70 Minutes

Category: Vegetarian & Vegan

Difficulty: Easy

Cuisine: Mexican

Yield: 3 Servings (3 meal prep bowls)

Dietary: Vegetarian, Gluten-Free

Ingredients

→ Main Ingredients

01 1 cup quinoa, uncooked
02 1 can red kidney beans
03 1 large can corn or 2 small cans
04 1 can chopped tomatoes
05 1 white onion, diced
06 1 red bell pepper, diced
07 1 cup cheddar, shredded
08 1 cup water

→ Seasonings

09 2 tsp chili powder
10 1/2 tsp cumin powder
11 1/2 tsp garlic powder
12 1/4 tsp salt

Instructions

Step 01

Preheat the oven to 350°F (180°C).

Step 02

Drain red kidney beans and corn. Rinse the quinoa under cold water. Dice white onion and red bell pepper. Grate the cheddar cheese if not already shredded.

Step 03

In a large bowl, combine all ingredients: quinoa, beans, corn, tomatoes, onion, bell pepper, cheese, chili powder, cumin, garlic powder, salt, and water. Mix thoroughly.

Step 04

Lightly oil a casserole dish or baking pan. Spread the mixture evenly into the pan.

Step 05

Bake in the preheated oven for 30 minutes. Then, turn off the heat but leave the casserole in the oven for another 25 minutes to allow it to finish cooking in the residual heat.

Step 06

After the casserole has cooled slightly, divide it into 3 equal portions and transfer to meal prep containers. It will keep in the refrigerator for 3-4 days.

Notes

  1. This vegetarian Mexican casserole is both budget-friendly and nutritious.
  2. For extra flavor, you can add a squeeze of lime juice before serving.
  3. To reheat, microwave for 2-3 minutes or until heated through.

Tools You'll Need

  • Casserole dish or baking pan
  • Large mixing bowl
  • Cheese grater
  • Cutting board and knife
  • Meal prep containers

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Dairy (cheddar cheese)

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 560
  • Total Fat: 18 g
  • Total Carbohydrate: 77 g
  • Protein: 27 g