Low-Carb Chicken Enchilada Casserole – Comforting, Flavor-Packed, and Weeknight-Friendly
If you love enchiladas but want to keep things lighter, this low-carb chicken enchilada casserole delivers big flavor without the tortillas. It’s cheesy, saucy, and satisfying, with tender shredded chicken and plenty of spice. The best part?
It’s simple to make and bakes up beautifully in one dish. Whether you’re eating low-carb by choice or just want a cozy dinner that won’t weigh you down, this casserole hits the spot.
Low-Carb Chicken Enchilada Casserole - Comforting, Flavor-Packed, and Weeknight-Friendly
Ingredients
Method
- Preheat and prep: Heat your oven to 375°F (190°C). Grease a 9x13-inch baking dish. If using low-carb tortillas, cut them into halves to fit the pan.
- Sauté the veggies: Warm oil in a large skillet over medium heat. Add peppers, onion, and zucchini with a pinch of salt and pepper. Cook 5–7 minutes until slightly softened and lightly browned. Remove from heat.
- Mix the sauce: In a bowl, whisk enchilada sauce with cream cheese until mostly smooth. Stir in 1 teaspoon chili powder, 1 teaspoon cumin, 1/2 teaspoon garlic powder, and 1/2 teaspoon smoked paprika. Taste and season with salt and pepper.
- Season the chicken: Toss shredded chicken with 1/2 cup of the sauce to moisten and flavor it. Fold in a handful of chopped cilantro.
- Layer the casserole: Spread a thin layer of sauce in the bottom of the dish. Add half the chicken, half the sautéed veggies, and a sprinkle of cheese. If using low-carb tortillas, add a layer now. Repeat layers, finishing with remaining sauce and a generous layer of cheese on top.
- Bake: Cover with foil and bake 15 minutes. Uncover and bake 10–15 minutes more, until bubbly and lightly golden.
- Rest and garnish: Let the casserole rest 10 minutes. Finish with a squeeze of lime, extra cilantro, green onions, and any optional toppings like jalapeños or sour cream.
- Serve: Cut into squares and serve warm. Add hot sauce if you like extra heat.
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Why This Recipe Works
This casserole skips traditional tortillas and uses low-carb layers like sautéed peppers and zucchini or low-carb tortillas for structure. The result is a hearty bake that doesn’t feel like a compromise.
A mix of enchilada sauce, cream cheese, and shredded cheese creates a creamy, spicy base that coats the chicken and veggies. Everything bakes together so the flavors meld, and the top gets bubbly and golden. It’s flexible, forgiving, and great for meal prep.
Shopping List
- Cooked shredded chicken (about 4 cups; rotisserie works great)
- Low-carb enchilada sauce (about 2 cups; red preferred, check labels for sugar content)
- Cream cheese (4 oz, softened)
- Shredded cheese blend (2–3 cups; cheddar, Monterey Jack, or Mexican blend)
- Bell peppers (2, any color, sliced thin)
- Onion (1 small, sliced thin)
- Zucchini (1 medium, sliced into thin planks or half-moons)
- Low-carb tortillas (optional; 4–6 small, for layering if desired)
- Olive oil or avocado oil (1–2 tablespoons)
- Spices: chili powder, cumin, garlic powder, smoked paprika, salt, black pepper
- Fresh cilantro (small bunch, chopped)
- Green onions (2–3, sliced)
- Fresh lime (1, for finishing)
- Optional toppings: sliced jalapeños, diced avocado, sour cream, hot sauce
How to Make It
- Preheat and prep: Heat your oven to 375°F (190°C).
Grease a 9×13-inch baking dish. If using low-carb tortillas, cut them into halves to fit the pan.
- Sauté the veggies: Warm oil in a large skillet over medium heat. Add peppers, onion, and zucchini with a pinch of salt and pepper.
Cook 5–7 minutes until slightly softened and lightly browned. Remove from heat.
- Mix the sauce: In a bowl, whisk enchilada sauce with cream cheese until mostly smooth. Stir in 1 teaspoon chili powder, 1 teaspoon cumin, 1/2 teaspoon garlic powder, and 1/2 teaspoon smoked paprika.
Taste and season with salt and pepper.
- Season the chicken: Toss shredded chicken with 1/2 cup of the sauce to moisten and flavor it. Fold in a handful of chopped cilantro.
- Layer the casserole: Spread a thin layer of sauce in the bottom of the dish. Add half the chicken, half the sautéed veggies, and a sprinkle of cheese.
If using low-carb tortillas, add a layer now. Repeat layers, finishing with remaining sauce and a generous layer of cheese on top.
- Bake: Cover with foil and bake 15 minutes. Uncover and bake 10–15 minutes more, until bubbly and lightly golden.
- Rest and garnish: Let the casserole rest 10 minutes.
Finish with a squeeze of lime, extra cilantro, green onions, and any optional toppings like jalapeños or sour cream.
- Serve: Cut into squares and serve warm. Add hot sauce if you like extra heat.
Storage Instructions
- Refrigerator: Cool completely, then cover and store up to 4 days.
- Freezer: Wrap portions tightly and freeze up to 2 months. Thaw overnight in the fridge.
- Reheat: Microwave individual servings for 1–2 minutes, or bake at 325°F (163°C) until heated through.
Add a splash of sauce or a little broth if it looks dry.
Benefits of This Recipe
- Low-carb without missing out: You get the enchilada flavor and texture with fewer carbs, especially if you skip tortillas or use low-carb ones.
- High in protein: Shredded chicken and cheese deliver staying power and help keep you full.
- Customizable: Adjust spice levels, swap veggies, or use leftover chicken. It’s easy to tailor to your preferences.
- Meal-prep friendly: Makes great leftovers and reheats well, so you can cook once and eat twice.
- Family-friendly: Mild enough for most palates; spice lovers can add jalapeños or hot sauce at the table.
Pitfalls to Watch Out For
- Watery casserole: Overcrowded veggies can steam and release water. Sauté until lightly browned and drain any excess moisture before layering.
- Hidden sugars: Some enchilada sauces and tortillas have added sugar.
Check labels and choose low-sugar options to keep carbs down.
- Too salty: Cheese, sauce, and chicken can add up. Taste as you go and salt lightly.
- Dry chicken: Tossing the chicken with some sauce before layering prevents dry bites and helps the casserole meld.
- Overbaking: Once the cheese is bubbly and golden, pull it out. Overbaking can toughen the chicken and dry the sauce.
Alternatives
- Protein swaps: Use shredded turkey, ground chicken, or cooked ground beef.
For a vegetarian version, try seasoned shredded jackfruit or a mix of mushrooms and riced cauliflower.
- Sauce switch: Green enchilada sauce (salsa verde) brings a tangy twist. You can also combine red and green for a “Christmas” style casserole.
- Dairy-light: Reduce cheese and add a bit more sauce. For dairy-free, use a dairy-free cream cheese and a meltable vegan cheese you like.
- No-tortilla version: Skip tortillas entirely and rely on layers of veggies for a stricter low-carb approach.
Or use thinly sliced roasted eggplant as “sheets.”
- Extra veg: Add spinach, chopped cauliflower, or roasted poblano strips for more flavor and fiber without many carbs.
FAQ
How low-carb is this casserole?
It depends on your sauce and whether you use low-carb tortillas. With no tortillas and a low-sugar sauce, most servings land in a very low net-carb range. If you add low-carb tortillas, expect a few extra carbs per slice.
Always check labels and portion sizes for accurate counts.
Can I make it ahead?
Yes. Assemble up to one day in advance, cover, and refrigerate. Bake straight from the fridge, adding 5–10 minutes to the covered bake time.
You can also bake, cool, and reheat for quick leftovers.
What’s the best chicken to use?
Rotisserie chicken is quick and flavorful. Otherwise, poach or pressure-cook chicken breasts or thighs, then shred. Thighs stay especially moist and reheat well.
How do I keep the casserole from getting soggy?
Sauté the vegetables until lightly browned to cook off moisture.
Don’t over-sauce the layers—save some for the top. Let the casserole rest before slicing so it sets.
Can I make it spicier?
Absolutely. Add diced jalapeños to the veggies, use a hotter enchilada sauce, or mix chipotle powder into the sauce.
Serve with hot sauce or crushed red pepper.
Is there a way to make it extra creamy?
Increase cream cheese to 6 ounces and stir in a splash of heavy cream or unsweetened almond milk to the sauce. Don’t over-thin; you want a rich, clingy texture.
What sides go well with this?
Try a simple green salad with lime vinaigrette, roasted broccoli, cauliflower rice with cilantro and lime, or sliced cucumbers and avocado. Keep sides fresh and crunchy for balance.
Can I use leftover roasted vegetables?
Yes.
Leftover roasted peppers, onions, zucchini, or cauliflower work well. Just avoid watery vegetables that weren’t roasted long enough, and pat them dry if needed.
Wrapping Up
This low-carb chicken enchilada casserole packs comfort, flavor, and flexibility into one easy pan. It’s weeknight-friendly, meal-prep ready, and endlessly customizable to your taste.
Keep the sauce low in sugar, season generously, and let it rest before serving. You’ll get a cheesy, satisfying dinner that feels indulgent without the carb overload.
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