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Overhead shot of a homemade Tex-Mex casserole recipe fresh from the oven on a white marble kitchen counter, showing melted cheese and golden edges.

Tex-Mex Casserole Recipe

A hearty, family-favorite Tex-Mex Casserole Recipe layered with seasoned ground beef, beans, corn, tortillas, and gooey melted cheese. Packed with bold Mexican-inspired flavors, it’s the perfect easy weeknight dinner ready in just 45 minutes — comforting, cheesy, and guaranteed to please even picky eaters.
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Course: Dinner, Main Course
Cuisine: American, Mexican-Inspired, Tex-Mex
Prep Time: 15 minutes
Cook Time: 40 minutes
Resting Time: 10 minutes
Total Time: 1 hour 5 minutes
Servings: 8 servings
Calories: 485kcal
Cost: $15

Equipment

  • 1 9x13 inch baking dish Glass or ceramic preferred for even heating
  • 1 Large skillet Cast iron recommended for browning beef
  • 1 Chef's knife For chopping onions and vegetables
  • 1 Wooden spoon Gentle on cookware
  • 1 Cheese grater For freshly shredded cheese
  • 1 Aluminum foil Use heavy-duty to cover casserole
  • 1 pair Oven mitts For safe handling of hot dishes

Ingredients

  • 1.5 pounds Ground beef 80/20 blend for moisture and flavor
  • 1 packet Taco seasoning Or 3 tablespoon homemade blend
  • 0.5 cup Water To mix seasoning
  • 1 medium Onion Diced
  • 2 cloves Garlic Minced
  • 1 medium Bell pepper Diced (red or green)
  • 1 cup Corn kernels Frozen or fresh
  • 1 can (15 oz) Black beans Drained and rinsed
  • 1 can (4 oz) Diced green chilies Mild or hot, based on preference
  • 2 small Jalapeños Sliced (remove seeds for less heat)
  • 1 can (10 oz) Enchilada sauce Red or green
  • 1 cup Salsa Chunky style preferred
  • 3 cups Shredded cheese blend Cheddar, Monterey Jack, or Mexican blend
  • 0.5 cup Sour cream Adds creaminess
  • 12 small Corn tortillas Or 8 flour tortillas, cut into strips
  • As needed — Cooking spray or oil To prevent sticking

Instructions

  • Preheat oven to 375°F and grease a 9x13-inch dish with cooking spray.
  • In a skillet, brown the ground beef over medium-high heat for 6–8 minutes.
  • Add diced onion and garlic; cook 3 minutes until softened.
  • Stir in taco seasoning and water; simmer until thickened.
  • In a bowl, combine bell pepper, corn, beans, and chilies.
  • Layer half the tortillas, beef, vegetables, sauce, and cheese.
  • Repeat layers and top with sour cream mixed with salsa.
  • Cover with foil and bake for 25 minutes.
  • Remove foil, top with remaining cheese, and bake 15 minutes uncovered.
  • Let rest 10 minutes before serving; garnish as desired.

Notes

  • Nutrition information is automatically calculated, so should only be used as an approximation.

Nutrition

Serving: 250g | Calories: 485kcal | Carbohydrates: 28g | Protein: 31g | Fat: 27g | Saturated Fat: 12g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 9g | Trans Fat: 0.5g | Cholesterol: 95mg | Sodium: 890mg | Potassium: 780mg | Fiber: 6g | Sugar: 5g | Vitamin A: 950IU | Vitamin C: 22mg | Calcium: 330mg | Iron: 4mg