Mexican Taco Casserole

Prep: 15 min Cook: 30 min Serves: 6 Cuisine: Mexican

A flavorful Mexican-inspired casserole featuring seasoned ground beef, spicy taco sauce, olives, and crispy Doritos, topped with cheese and sour cream for a satisfying meal.

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Ingredients

  • 1 1/2 lb ground beef
  • 1 onion, chopped
  • 2 cloves garlic, minced
  • 1 envelope taco seasoning
  • 2 small or 1 large bottle taco sauce
  • 1 can chopped chillies
  • 1 can refried beans
  • 1 can black olives, halved
  • 1 bag taco flavored Doritos, crushed

Instructions

  1. Brown the ground beef and chopped onion in a skillet.
  2. Drain excess fat from the meat mixture.
  3. Add minced garlic, taco seasoning, taco sauce, chopped chillies, and refried beans; mix well.
  4. Spread half of crushed Doritos in a greased 13 x 9-inch casserole dish.
  5. Top with the meat mixture.
  6. Add halved black olives and the remaining crushed Doritos on top.
  7. Bake for 25 minutes at 350°F (175°C).
  8. Sprinkle cheese on top and bake for an additional 5 minutes until melted.
  9. Serve topped with sour cream.

Tips & Substitutions

For a lighter version, consider swapping ground beef with ground turkey or a plant-based alternative. You can also use low-sodium taco seasoning to control the salt content. If you prefer a spicier dish, add diced jalapeños or swap regular taco sauce for a hot variety. This casserole can be easily customized with your favorite toppings, similar to Doris Bell'S Taco Salad.

Serving Suggestions

This Mexican Taco Casserole can be served with a side of lettuce or sliced avocados for a fresh touch. Pair it with sour cream, guacamole, or salsa for added flavor. For a complete meal, consider serving it alongside Mexican Corn Bread(Casserole) or a refreshing salad for a balanced dinner.

Storage & Reheating

Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, simply place the casserole in the oven at 350°F (175°C) for 15-20 minutes until warmed through, or microwave individual portions for about 1-2 minutes. Ensure that it's heated evenly to maintain flavor and texture.

Nutrition & Diet Analysis (per serving)

Each serving of Mexican Taco Casserole contains roughly 613 calories, with 27g protein, 68g carbohydrates, and 26g fat. It is an excellent source of protein (54% of the Daily Value), iron (28% of the Daily Value), and dietary fiber (26% of the Daily Value), and a good source of potassium and calcium. Note that it is relatively high in sodium, at 836mg per serving (36% of the Daily Value).

613 kcal 31% DV
Protein Fat Carbs

Macronutrients

Protein 26.9g 54% DV
Total Fat 25.7g 33% DV
Carbs 68.1g 25% DV
Fiber 7.3g 26% DV
Sugar 3.3g 7% DV

Electrolytes

Sodium 836.1mg 36% DV
Potassium 798.7mg 17% DV
Cholesterol 58.5mg 19% DV

Vitamins & Minerals

Vitamin A 94.7mcg 11% DV
Vitamin C 0.2mg
Vitamin D 0.2mcg 1% DV
Calcium 213.5mg 16% DV
Iron 5.1mg 28% DV
Diet fit High-protein High-fiber

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I make this casserole ahead of time?

Yes, you can prepare the casserole a day in advance. Simply assemble all the layers, cover it tightly with plastic wrap, and refrigerate. When you're ready to bake, remove it from the fridge and bake as directed, adding a few extra minutes to the cooking time if it's cold.

What can I substitute for refried beans?

If you don't have refried beans on hand, you can use black beans or pinto beans. Just rinse and mash them slightly before adding to the meat mixture. This will give you a similar creamy texture and flavor. You can also use hummus as a unique alternative for a different taste.

Can I freeze leftover taco casserole?

Yes, this casserole freezes well! To freeze, allow it to cool completely, then wrap it tightly with aluminum foil or plastic wrap and place it in a freezer-safe container. It can be stored for up to 3 months. To reheat, thaw overnight in the fridge and bake at 350°F (175°C) until heated through.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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