High Protein Ground Beef Taco Casserole – A Filling, Weeknight-Friendly Favorite

If you love tacos but want a satisfying, higher-protein dinner that feeds a crowd, this casserole hits all the right notes. It’s layered with seasoned ground beef, beans, veggies, and a creamy, high-protein topping that bakes up bubbly and golden. The flavors are familiar and comforting, with a texture that’s hearty without being heavy.

It’s great for meal prep, easy to customize, and simple enough for a busy weeknight. Plus, it reheats beautifully, so leftovers never go to waste.

Save

High Protein Ground Beef Taco Casserole - A Filling, Weeknight-Friendly Favorite

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 30 minutes mins

Total Time 45 minutes mins

Servings: 6 servings

Ingredients Method

Ingredients

  

• 1.5 pounds lean ground beef (90% lean or higher)
• 1 medium yellow onion, diced
• 1 red bell pepper, diced
• 1 cup corn kernels (frozen, canned, or fresh)
• 1 can (15 oz) black beans, drained and rinsed
• 1 can (14.5 oz) fire-roasted diced tomatoes, well drained
• 1 packet taco seasoning (or 3 tablespoons homemade)
• 1/2 cup low-sodium beef or chicken broth
• 8 small corn tortillas, cut into strips (or 4 cups lightly crushed baked tortilla chips)
• 1 cup plain Greek yogurt (2% or nonfat)
• 1 cup low-fat cottage cheese, blended until smooth
• 1.5 cups shredded reduced-fat Mexican blend cheese
• 2 tablespoons olive oil
• Salt and black pepper, to taste
• Optional toppings: sliced green onions, diced avocado, chopped cilantro, salsa, lime wedges, pickled jalapeños

Method

 

1. Prep the oven and pan: Preheat your oven to 375°F (190°C). Lightly oil a 9x13-inch baking dish.
2. Sauté the aromatics: Heat olive oil in a large skillet over medium heat. Add onion and bell pepper with a pinch of salt. Cook 4–5 minutes until softened.
3. Brown the beef: Add ground beef to the skillet. Break it up with a spatula and cook until no longer pink, about 5–7 minutes. Drain excess fat if needed.
4. Season and simmer: Stir in taco seasoning, broth, corn, black beans, and drained diced tomatoes. Simmer 3–4 minutes to thicken slightly. Taste and adjust salt and pepper.
5. Blend the creamy layer: In a bowl, whisk Greek yogurt and blended cottage cheese until smooth. Season with a pinch of salt and pepper.
6. Layer the casserole: Spread half the tortilla strips on the bottom of the baking dish. Spoon half the beef mixture over top. Add half the creamy mixture and 3/4 cup shredded cheese. Repeat the layers.
7. Bake: Cover loosely with foil and bake for 15 minutes. Uncover and bake another 10–12 minutes, until the cheese is melted and the edges are bubbling.
8. Rest and garnish: Let the casserole rest 8–10 minutes. Top with green onions, cilantro, or your favorite garnishes. Slice and serve with lime wedges.

Why This Recipe Works

Save

• Protein-packed base: Lean ground beef pairs with black beans and Greek yogurt to create a satisfying protein profile that keeps you full longer.
• Balanced texture: A mix of sautéed peppers, corn, and cheese adds crunch, sweetness, and creaminess in every bite.
• Foolproof seasoning: Homemade or store-bought taco seasoning builds bold flavor without fuss.
• Meal-prep friendly: Assembles quickly, holds up well in the fridge, and reheats without drying out.
• Flexible format: Works with tortillas, tortilla chips, or even a low-carb base, so you can tailor it to your goals.

Ingredients

• 1.5 pounds lean ground beef (90% lean or higher)
• 1 medium yellow onion, diced
• 1 red bell pepper, diced
• 1 cup corn kernels (frozen, canned, or fresh)
• 1 can (15 oz) black beans, drained and rinsed
• 1 can (14.5 oz) fire-roasted diced tomatoes, well drained
• 1 packet taco seasoning (or 3 tablespoons homemade)
• 1/2 cup low-sodium beef or chicken broth
• 8 small corn tortillas, cut into strips (or 4 cups lightly crushed baked tortilla chips)
• 1 cup plain Greek yogurt (2% or nonfat)
• 1 cup low-fat cottage cheese, blended until smooth
• 1.5 cups shredded reduced-fat Mexican blend cheese
• 2 tablespoons olive oil
• Salt and black pepper, to taste
• Optional toppings: sliced green onions, diced avocado, chopped cilantro, salsa, lime wedges, pickled jalapeños

Instructions

Save

1. Prep the oven and pan: Preheat your oven to 375°F (190°C). Lightly oil a 9×13-inch baking dish.
2. Sauté the aromatics: Heat olive oil in a large skillet over medium heat.

   Add onion and bell pepper with a pinch of salt. Cook 4–5 minutes until softened.

3. Brown the beef: Add ground beef to the skillet. Break it up with a spatula and cook until no longer pink, about 5–7 minutes.

   Drain excess fat if needed.

4. Season and simmer: Stir in taco seasoning, broth, corn, black beans, and drained diced tomatoes. Simmer 3–4 minutes to thicken slightly. Taste and adjust salt and pepper.
5. Blend the creamy layer: In a bowl, whisk Greek yogurt and blended cottage cheese until smooth.

   Season with a pinch of salt and pepper.

6. Layer the casserole: Spread half the tortilla strips on the bottom of the baking dish. Spoon half the beef mixture over top. Add half the creamy mixture and 3/4 cup shredded cheese.

   Repeat the layers.

7. Bake: Cover loosely with foil and bake for 15 minutes. Uncover and bake another 10–12 minutes, until the cheese is melted and the edges are bubbling.
8. Rest and garnish: Let the casserole rest 8–10 minutes. Top with green onions, cilantro, or your favorite garnishes.

   Slice and serve with lime wedges.

Storage Instructions

• Refrigerator: Cool completely, then store in an airtight container for up to 4 days.
• Freezer: Wrap tightly in plastic and foil or use a freezer-safe container. Freeze up to 2 months. Thaw overnight in the fridge before reheating.
• Reheating: Microwave individual portions 1–2 minutes, stirring halfway, or reheat covered in a 325°F (165°C) oven for 15–20 minutes.

  Add a splash of broth if it looks dry.

Save

Health Benefits

• High-quality protein: Lean beef, beans, Greek yogurt, and cottage cheese deliver a strong protein punch to support muscle maintenance and satiety.
• Fiber for fullness: Black beans, tomatoes, corn, and tortillas add fiber that supports digestion and helps you feel satisfied.
• Micronutrient boost: Bell peppers and tomatoes provide vitamin C and antioxidants; beef contributes iron, zinc, and B vitamins.
• Balanced macros: The mix of lean protein, moderate carbs, and controlled fat creates a meal that fuels energy without a crash.

Pitfalls to Watch Out For

• Watery casserole: Be sure to drain the tomatoes and beans well. Simmer the filling until slightly thickened before layering.
• Overbaking: Too long in the oven can dry out the casserole. Bake until just melted and bubbly, then let it rest to set.
• Too salty: Taco seasoning and cheese can be salty.

  Choose low-sodium beans and broth, and season at the end after tasting.

• Soggy base: Don’t overload the bottom layer with liquid. Keep tortilla strips in a single, even layer and avoid pooling sauce.

Alternatives

• Lower carb: Swap tortillas for thinly sliced zucchini or cauliflower rice. Bake uncovered a bit longer to evaporate moisture.
• Different proteins: Use ground turkey, chicken, or a 50/50 mix of beef and turkey.

  For a vegetarian version, use crumbled extra-firm tofu or plant-based crumbles.

• Dairy-free: Replace Greek yogurt and cottage cheese with unsweetened, plain dairy-free yogurt and a thick cashew cream. Choose dairy-free shredded cheese.
• Milder or spicier: Reduce taco seasoning and skip jalapeños for mild; add chipotle, hot sauce, or extra chili powder for heat.
• Different beans or add-ins: Pinto or kidney beans work well. Add spinach, sautéed mushrooms, or diced jalapeños for more veggies.

FAQ

Can I make this casserole ahead of time?

Yes.

Assemble it up to 24 hours in advance, cover tightly, and refrigerate. Add 5–10 extra minutes to the bake time if starting from cold.

Do I have to use tortillas?

No. You can use crushed baked tortilla chips for more crunch, or go low-carb with sliced zucchini, cauliflower rice, or thin egg “crepes” as layers.

How do I keep the casserole from getting soggy?

Drain canned ingredients well, simmer the filling until it thickens, and avoid overloading the bottom with liquid.

Let it rest after baking to set the layers.

What’s the best cheese to use?

A reduced-fat Mexican blend melts well and keeps calories in check. Cheddar, Monterey Jack, or pepper jack are great options too.

Can I freeze individual portions?

Absolutely. Slice the cooled casserole, wrap each piece, and freeze.

Reheat from thawed for the best texture.

How can I add even more protein?

Stir extra cottage cheese into the creamy layer, add an additional can of beans, or top with diced grilled chicken. You can also sprinkle on more shredded cheese if desired.

Is this spicy?

It’s generally mild to medium, depending on your taco seasoning. Adjust heat with jalapeños, hot sauce, or chipotle if you like it spicier.

Wrapping Up

This High Protein Ground Beef Taco Casserole brings taco night to the table in a sturdy, satisfying way.

It’s easy to assemble, full of bold flavor, and makes great leftovers. With a balanced mix of protein, fiber, and craveable textures, it’s a solid go-to for busy weeknights or meal prep. Customize the layers to match your preferences, and you’ll have a reliable, crowd-pleasing dish on repeat.