The BEST Keto Chicken Enchilada Casserole – Easy, Cheesy, and Low-Carb
If you’re craving bold enchilada flavor without the carbs, this Keto Chicken Enchilada Casserole has your back. It’s creamy, cheesy, and layered with tender chicken, roasted peppers, and a rich, smoky sauce. No tortillas needed—just smart low-carb swaps that keep it hearty and satisfying.
This is a weeknight-friendly dish that feels like comfort food but still fits your goals. Make it once, and it’ll be on repeat.
Ingredients
Method
- Prep the oven and pan: Preheat the oven to 375°F (190°C). Grease a 9x13-inch baking dish.
- Sauté the veg: Heat oil in a skillet over medium heat. Cook chopped onion and sliced peppers with a pinch of salt until softened and lightly caramelized, about 6–8 minutes. Set aside.
- Cook and dry the cauliflower rice: Steam or microwave riced cauliflower until tender. Press out excess moisture with a clean towel. Dry cauliflower is key for a firm base.
- Make the creamy sauce: In a bowl, whisk the cream cheese, heavy cream, 1/2 cup enchilada sauce, chili powder, cumin, smoked paprika, and a pinch of salt and pepper until smooth.
- Toss the chicken: In another bowl, mix shredded chicken with 1 cup enchilada sauce and the green chiles.
- Build the base layer: Spread the cauliflower rice across the baking dish. Spoon over a few tablespoons of enchilada sauce and half of the creamy sauce. Sprinkle with 1/2 cup shredded cheese.
- Add the chicken layer: Spread the sauced chicken evenly over the base. Top with the sautéed peppers and onions.
- Top and finish assembly: Drizzle the remaining creamy sauce over the chicken and veggies. Pour the remaining enchilada sauce on top. Finish with the remaining shredded cheese.
- Bake: Cover loosely with foil and bake for 20 minutes. Remove foil and bake another 10–15 minutes, until bubbly and golden around the edges.
- Rest and garnish: Let it rest 10 minutes to set. Sprinkle with chopped cilantro. Add optional toppings like sour cream, avocado, or jalapeños.
- Serve: Cut into squares and serve with lime wedges for brightness.
What Makes This Special
- All the flavor, fewer carbs: You get the classic enchilada experience using low-carb “tortilla” layers like sliced zucchini or cauliflower rice.
- Meal-prep friendly: The casserole reheats beautifully for lunches and busy nights.
- Customizable: Adjust the heat, change the cheese, or swap the protein—this recipe is flexible.
- Family-approved: It’s cheesy and comforting, so even non-keto eaters love it.
- One-pan baking: Simple assembly, easy cleanup, and no frying tortillas.
What You’ll Need
- Cooked shredded chicken: About 3 cups (rotisserie works great)
- Low-carb red enchilada sauce: 2 cups (store-bought with no added sugar, or homemade)
- Full-fat cream cheese: 4 oz, softened
- Heavy cream: 1/4 cup (for creaminess and richness)
- Shredded cheese: 2–2 1/2 cups total (Mexican blend, Monterey Jack, or cheddar)
- Riced cauliflower: 3 cups, cooked and well-drained (acts as the “base” layer)
- Bell peppers: 1 cup, roasted or sautéed, sliced
- Onion: 1/2 cup, finely chopped and sautéed
- Green chiles: 1 small can, drained (optional, for mild heat)
- Spices: 1 tsp chili powder, 1 tsp cumin, 1/2 tsp smoked paprika
- Fresh cilantro: 1/4 cup, chopped (plus extra for garnish)
- Olive oil or avocado oil: 1 tbsp
- Salt and pepper: To taste
- Optional toppings: Sour cream, avocado slices, jalapeños, lime wedges
Step-by-Step Instructions
- Prep the oven and pan: Preheat the oven to 375°F (190°C). Grease a 9×13-inch baking dish.
- Sauté the veg: Heat oil in a skillet over medium heat.
Cook chopped onion and sliced peppers with a pinch of salt until softened and lightly caramelized, about 6–8 minutes. Set aside.
- Cook and dry the cauliflower rice: Steam or microwave riced cauliflower until tender. Press out excess moisture with a clean towel. Dry cauliflower is key for a firm base.
- Make the creamy sauce: In a bowl, whisk the cream cheese, heavy cream, 1/2 cup enchilada sauce, chili powder, cumin, smoked paprika, and a pinch of salt and pepper until smooth.
- Toss the chicken: In another bowl, mix shredded chicken with 1 cup enchilada sauce and the green chiles.
- Build the base layer: Spread the cauliflower rice across the baking dish.
Spoon over a few tablespoons of enchilada sauce and half of the creamy sauce. Sprinkle with 1/2 cup shredded cheese.
- Add the chicken layer: Spread the sauced chicken evenly over the base. Top with the sautéed peppers and onions.
- Top and finish assembly: Drizzle the remaining creamy sauce over the chicken and veggies.
Pour the remaining enchilada sauce on top. Finish with the remaining shredded cheese.
- Bake: Cover loosely with foil and bake for 20 minutes. Remove foil and bake another 10–15 minutes, until bubbly and golden around the edges.
- Rest and garnish: Let it rest 10 minutes to set.
Sprinkle with chopped cilantro. Add optional toppings like sour cream, avocado, or jalapeños.
- Serve: Cut into squares and serve with lime wedges for brightness.
Storage Instructions
- Refrigerator: Store leftovers in an airtight container for up to 4 days.
- Freezer: Freeze tightly wrapped portions for up to 2 months. Thaw overnight in the fridge before reheating.
- Reheating: Warm in a 325°F oven for 15–20 minutes or microwave in 60–90 second bursts.
Add a splash of cream if it looks dry.
Health Benefits
- Low in carbs, high in protein: Chicken and cheese keep you full and support muscle maintenance while keeping net carbs low.
- Healthy fats: Full-fat dairy helps with satiety and stable energy on a keto diet.
- Nutrient-dense veggies: Cauliflower, peppers, and onions add fiber, vitamin C, potassium, and antioxidants.
- Gluten-free friendly: Naturally free from wheat tortillas and flour-based thickeners.
Common Mistakes to Avoid
- Watery casserole: Not draining the cauliflower rice leads to excess moisture. Squeeze it well before layering.
- Over-saucing: Too much liquid can make it soupy. Stick to the amounts listed and use thick, low-sugar enchilada sauce.
- Skipping the rest: Cutting right away can cause sloppy slices.
Rest 10 minutes so it sets.
- Using pre-shredded cheese only: Bagged cheese can be coated with starch. If possible, use a mix of freshly shredded cheese for better melt.
- Forgetting seasoning: Taste and adjust salt, especially if your sauce is mild.
Recipe Variations
- Green enchilada version: Swap red enchilada sauce for salsa verde. Use pepper jack cheese and add a squeeze of lime.
- Zucchini “noodle” layers: Thinly slice zucchini lengthwise, salt, and blot dry.
Layer like tortillas for a classic look.
- Spicy chipotle: Stir minced chipotle in adobo into the sauce for smoky heat.
- Beef or turkey: Replace chicken with cooked ground beef or turkey seasoned with taco spices.
- Dairy-light option: Use less cheese and replace some cream with unsweetened almond milk and a little xanthan gum to thicken.
- Extra veg: Add sautéed spinach or mushrooms for more texture and nutrients.
FAQ
Is enchilada sauce keto-friendly?
Many store-bought sauces contain sugar. Look for labels with 2–3 grams of net carbs per serving and no added sugar. You can also make your own with tomato paste, broth, chili powder, and spices.
Can I make this casserole ahead of time?
Yes.
Assemble up to the point of baking, cover, and refrigerate for up to 24 hours. Add 5–10 extra minutes of bake time if it goes into the oven cold.
How do I keep the casserole from getting watery?
Dry the cauliflower rice thoroughly and avoid thin, watery sauces. Let the casserole rest after baking so the layers firm up.
What cheese works best?
A blend melts best.
Try Monterey Jack for stretch, cheddar for sharpness, and a little mozzarella for body. Freshly grated cheese gives the smoothest melt.
Can I make it spicier?
Absolutely. Add jalapeños, extra chili powder, chipotle, or a few dashes of hot sauce to the chicken mixture or sauce.
What can I use instead of cauliflower rice?
Use thin zucchini slices, spaghetti squash strands (well-drained), or low-carb egg wraps cut into strips.
How many carbs are in a serving?
Exact macros depend on the sauce and cheese you use.
On average, expect roughly 5–7g net carbs per serving when using low-carb sauce and cauliflower rice.
Can I make it dairy-free?
It’s tricky but possible. Use dairy-free cream cheese and shredded alternatives, plus coconut cream to replace heavy cream. Flavor and melting will differ slightly.
Does rotisserie chicken work?
Yes, it’s perfect.
Remove the skin and shred the meat. Season it if it tastes bland before mixing with sauce.
Can I cook it in a skillet?
Yes. Use an oven-safe skillet for assembly and baking.
It saves a dish and crisps the edges nicely.
Wrapping Up
This Keto Chicken Enchilada Casserole brings big flavor with simple steps and everyday ingredients. It’s rich, cozy, and flexible enough to match your heat level and pantry staples. Make it for meal prep or a family dinner and enjoy that classic enchilada taste—minus the carbs.
Keep it handy, because you’ll want to make it again.
Printable Recipe Card
Want just the essential recipe details without scrolling through the article? Get our printable recipe card with just the ingredients and instructions.
