A cheesy, flavorful casserole loaded with seasoned beef, veggies, and taco toppings — all keto-friendly and perfect for busy weeknights!
🥘 Recipe Card
Servings & Timing
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: 6 servings
Dietary Badges:
- Keto-Friendly
- Low-Carb
- Gluten-Free
✅ Ingredients (Quick View)
- 1 lb (450 g) ground beef
- ½ cup onion, chopped
- 2 cloves garlic, minced
- 1 small bell pepper, diced
- 1 cup diced tomatoes (fresh or canned, drained)
- 1 small zucchini, diced (optional, for extra veggies)
- 2 tbsp taco seasoning (sugar-free)
- ½ cup sour cream
- 2 large eggs, beaten
- 1 ½ cups shredded cheddar (or Mexican cheese blend)
- Salt & pepper, to taste
- Optional toppings: shredded lettuce, avocado, jalapeños, salsa, olives, cilantro
📖 Instructions (Quick View)
- Preheat oven to 375°F (190°C). Grease a 9×13 casserole dish.
- In a skillet, cook ground beef with onion, garlic, and bell pepper until beef is browned. Drain excess grease.
- Stir in taco seasoning, tomatoes, and zucchini (if using). Cook 2–3 minutes.
- In a bowl, whisk sour cream and eggs until smooth. Add half the shredded cheese.
- Spread beef mixture into casserole dish. Pour sour cream mixture over top, spreading evenly.
- Sprinkle with remaining cheese.
- Bake uncovered for 25–30 minutes, until golden and bubbly.
- Cool slightly, then top with fresh lettuce, avocado, salsa, or jalapeños before serving.
🔑 Notes
- Eggs + sour cream create a custard-like layer that holds the casserole together.
- Add jalapeños or chili powder for a spicier kick.
- For fewer carbs, skip tomatoes or replace with diced green chiles.
🌟 Introduction
This Keto Taco Casserole has all the flavors of taco night, baked into one cheesy, low-carb dish! It’s quick to prepare, feeds a crowd, and is endlessly customizable with your favorite toppings.
Perfect for meal prep, family dinners, or potlucks, this casserole gives you the comfort of Tex-Mex while keeping carbs low.
🥄 Step-by-Step Cooking Guide
1. Brown the beef
Cook ground beef with onion and garlic until no longer pink. Add bell pepper and sauté until softened.
2. Season & simmer
Stir in taco seasoning, diced tomatoes, and zucchini. Let simmer briefly to blend flavors.
3. Make creamy binder
Whisk sour cream, eggs, and half the cheese. This mixture helps create a rich, custard-like base.
4. Assemble casserole
Spread beef mixture into baking dish, pour creamy mixture on top, then finish with remaining cheese.
5. Bake to perfection
Bake until the top is golden, bubbly, and set.
6. Garnish & serve
Top with lettuce, avocado, salsa, and other taco toppings.
🥬 Ingredient Notes & Substitutions
- Ground Beef: Swap with ground turkey, chicken, or pork.
- Cheese: Use cheddar, Monterey Jack, or a Mexican blend.
- Vegetables: Add spinach, mushrooms, or riced cauliflower for extra nutrients.
- Dairy-Free Option: Replace sour cream with coconut cream and use dairy-free cheese.
🍽 Variations & Serving Suggestions
- Spicy Kick: Add jalapeños or chipotle powder.
- Loaded Style: Top with olives, guacamole, or crumbled bacon.
- Meal Prep Bowls: Serve with cauliflower rice for a full keto meal.
- Party Dish: Bake in a cast iron skillet and serve warm with toppings bar.
❄️ Storage & Make-Ahead
- Refrigerator: Store leftovers in airtight container up to 4 days.
- Freezer: Freeze baked casserole (without fresh toppings) up to 2 months.
- Reheat: Warm in oven or microwave until hot.
⚖️ Nutrition (per serving, est. 6 servings)
- Calories: ~320
- Protein: 24g
- Net Carbs: 5g
- Fat: 22g
❓ Frequently Asked Questions
Q: Can I make this without eggs?
A: Yes — use ½ cup heavy cream + cheese as the binder.
Q: Is this spicy?
A: Not by default. Adjust seasoning or add chili powder/jalapeños for heat.
Q: Can I use store-bought taco seasoning?
A: Yes, but make sure it’s sugar-free to keep it keto.
💌 Final Notes
This Keto Taco Casserole is cheesy, satisfying, and bursting with flavor. It’s everything you love about tacos, baked into an easy low-carb casserole.
