High-Protein Cheesy Taco Casserole
Cheesy taco casserole loaded with seasoned beef and melted cheese — low-carb, sugar-free, and ready in 35 minutes
This high-protein cheesy taco casserole delivers classic taco flavor in a simple baked dish. Seasoned ground beef, tomatoes, and plenty of melted cheese come together for a satisfying low-carb meal that packs 32 g of protein and only 6 g net carbs per serving.
Low-carb, sugar-free, and perfect for weeknight dinners or meal prep.
Why you’ll love this casserole
- 32g protein per serving — a complete high-protein meal
- Only 6g net carbs and fully sugar-free
- All the classic taco flavors in one dish
- Ready in about 35 minutes
- Easy one-pan style with minimal cleanup
- Great for meal prep and leftovers
Health notes
- High protein: Ground beef and cheese deliver a solid protein boost.
- Low carb: No tortillas or rice — just seasoned beef, tomatoes, and cheese.
- Sugar-free: No added sugar in the seasoning or sauce.
- Satisfying: Rich, cheesy, and filling without the carbs.
Key element — drain the beef well
After browning the ground beef, drain excess fat thoroughly. This keeps the casserole flavorful without becoming greasy.
New High Protein Recipes
High-Protein Cheesy Taco Casserole
- Prep10 min
- Cook25 min
- Total35 min
- Servings6 servings
- Calories340 kcal
Ingredients
Instructions
- Preheat and brown the beef. Preheat the oven to 375°F (190°C). In a large skillet, cook the ground beef and diced onion over medium heat until the beef is browned and the onion is soft. Drain excess fat. Add the garlic and cook 30 seconds more.
- Season and mix. Stir in the taco seasoning, diced tomatoes, cream cheese, heavy cream (or sour cream), salt, and pepper until creamy and well combined. Mix in 1 cup of the shredded cheese.
- Assemble. Transfer the mixture to a greased 9×13-inch baking dish (or similar). Spread evenly and top with the remaining 1 cup of shredded cheese.
- Bake and serve. Bake 15–20 minutes until the cheese is melted, bubbly, and lightly golden. Rest a few minutes, garnish with cilantro or green onions if desired, and serve.
Notes & Tips
- Drain the beef well so the casserole stays rich but not greasy.
- For extra taco flavor, add a squeeze of lime juice before serving.
- Let the casserole rest 5 minutes after baking for cleaner scoops.
- This reheats beautifully and is excellent for meal prep.
- Top with avocado, sour cream, or salsa at the table if desired.
Variations & serving ideas
- Higher protein: Use extra-lean ground beef or add an extra egg to the mixture.
- Turkey version: Swap ground beef for ground turkey.
- Dairy-free: Use dairy-free cream cheese and cheese alternatives.
- Extra veggies: Stir in diced bell peppers or cauliflower rice.
- Spicy taco casserole: Add diced jalapeños or a pinch of cayenne to the beef mixture.
- Chicken taco version: Swap the ground beef for shredded cooked chicken or ground chicken.
- Loaded: Top with diced avocado, sour cream, and fresh cilantro after baking.
- Cauliflower rice base: Stir in 1–2 cups cooked cauliflower rice for extra volume and fiber.
Storage
- Refrigerator: Up to 4 days (Store covered)
- Freezer: Up to 2 months (Freeze in portions for easy reheating)
- Reheat: Oven or microwave (Cover to keep moisture; add a splash of cream if needed)
Nutrition Facts
Per serving · makes 6 servings
| Nutrient | Amount per serving |
|---|---|
| Calories | 340 kcal |
| Total fat | 20 g |
| Sodium | 620 mg |
| Total carbohydrate | 8 g |
| Fibre | 2 g |
| Protein | 32 g |
Nutrition values are approximate and vary with brands and portion sizes.
Frequently asked questions
Is this casserole keto-friendly?
Yes. At only 6g net carbs per serving it fits easily into most keto and low-carb plans.
Can I make it ahead?
Yes. Assemble up to a day ahead, cover, and refrigerate. Bake when ready, adding a few extra minutes if cold.
Why drain the ground beef?
Draining excess fat keeps the casserole rich and flavorful without becoming greasy.
Can I use ground turkey?
Yes. Ground turkey works well. Add a little extra seasoning or a splash of broth if it seems dry.
What can I serve with it?
A simple green salad, guacamole, cauliflower rice, or roasted vegetables all pair nicely.
Can I freeze leftovers?
Yes. Cool completely, portion, and freeze for up to 2 months. Thaw overnight and reheat gently.
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