![['Close-up view of a hearty ground beef casserole topped with melted cheese.', 'Side perspective of a rich crockpot casserole featuring ground beef, vegetables, and cheese.', 'Juicy ground beef casserole in a crockpot, showcasing layers of cheese and colorful vegetables.', 'Delicious casserole with ground beef and melted cheddar and mozzarella, seen from the side.']](https://snacknova.com/wp-content/uploads/2026/06/high-protein-crockpot-ground-beef-casserole_1_U1.webp)
High Protein Crockpot Ground Beef Casserole
A hearty and protein-packed casserole perfect for easy weeknight dinners, cooked effortlessly in the crockpot.
Ingredients
Meat
- 1 pound Lean ground beef (90/10 or 93/7)
- 1 cup Onions
- 1 cup Bell peppers
- 1 cup Mushrooms
- 1 can Diced tomatoes
- 1 cup Shredded cheddar cheese
- 1 cup Mozzarella cheese
- 1 cup Tomato sauce
- 2 tablespoons Tomato paste
- 1 teaspoon Garlic powder
- 1 teaspoon Onion powder
- 1 teaspoon Oregano
- 1 teaspoon Basil
- to taste Salt
- to taste Pepper
- Optional Add-ins (black beans, corn, green chilies)
Instructions
- Brown the ground beef in a skillet; drain excess fat.
- Sauté onions and bell peppers if desired.
- Combine all ingredients in the crockpot and mix thoroughly.
- Cook on low for 6-8 hours or high for 3-4 hours.
- Sprinkle remaining cheese during last 30 minutes; serve once melted.
Notes
You can add black beans, corn, or green chilies for extra flavor and nutrition.