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overhead of baked taco casserole garnished with olives, tomatoes, and iceberg lettuce
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Pasta Taco Casserole

Baked Taco Casserole is a quick comfort meal on busy weeknights when dinner seems impossible. Meaty, cheesy pasta topped with crunchy Doritos and tons of flavor, this hearty recipe comes together fast!
Prep Time15 mins
Cook Time20 mins
Total Time35 mins
Course: dinner
Cuisine: Mexican
Keyword: taco casserole with doritos
Servings: 8
Calories: 668kcal
Author: Lisa Longley


  • 1 tablespoon olive oil
  • 1 yellow onion diced
  • 1 green bell pepper diced
  • 1 pound ground beef
  • 1 ounce taco seasoning (or 3 tablespoons of homemade seasoning)
  • 1 cup salsa
  • 14 ounces diced tomatoes drained
  • 1/2 pound cooked rotini (for gluten free use gf noodles, read here for low carb options)
  • 2 cups cheddar cheese
  • 1 cups crushed Doritos


  • Preheat your oven to 350 degrees.
  • In a large skillet over medium heat the olive oil.
  • Add the onion and green bell pepper and cook until softened, about four minutes.
  • Add in the ground beef and cook until no longer pink. Add in the taco seasoning and then drain the fat off of the beef and veggies.
  • Spray a 9 by 13 inch baking dish with cooking spray. To the baking dish add the beef and veggies, cooked pasta, salsa, diced tomatoes, and cheddar cheese. Mix to combine and then spread to an even layer.
  • Bake for 20 minutes and then top with crushed Doritos and serve.


Serving: 1.25cups | Calories: 668kcal | Carbohydrates: 61g | Protein: 28g | Fat: 36g | Saturated Fat: 11g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 1g | Cholesterol: 71mg | Sodium: 1014mg | Potassium: 291mg | Fiber: 5g | Sugar: 6g