Keto Cheesy Chicken and Vegetable Casserole
Hearty baked casserole with tender chicken, zucchini, and a velvety cheese sauce, all in one pan. This american-inspired one pot ready in about 45 minutes pairs olive oil, medium, diced (about 1.5 cups) zucchini, chopped mushrooms for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 400 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 1 lb, boneless, skinless, cut into 1-inch cubes chicken thighs
- 2 tbsp olive oil
- 1 medium, diced (about 1.5 cups) zucchini
- 1/2 cup, chopped mushrooms
- 1/2 cup, shredded cheddar cheese
- 1/4 cup heavy cream
- 1/4 cup, grated parmesan cheese
- 1 tsp garlic powder
- 1/2 tsp dried thyme
- 1/2 tsp salt
- 1/4 tsp black pepper
Instructions
- Step 1: Preheat oven to 375°F and grease a 9x13-inch baking dish.
- Step 2: Heat 2 tbsp olive oil in a large skillet over medium-high heat, then cook chicken cubes until golden brown, about 8 minutes; remove and set aside.
- Step 3: Add diced zucchini and chopped mushrooms to the same skillet, sautéing for 5 minutes until softened, then stir in 1 tsp garlic powder, 1/2 tsp dried thyme, 1/2 tsp salt, and 1/4 tsp black pepper.
- Step 4: Return chicken to skillet, pour in 1/4 cup heavy cream, and stir to combine; transfer mixture to baking dish, top with 1/2 cup shredded cheddar and 1/4 cup grated parmesan, then bake for 25-30 minutes until bubbly and golden.
Frequently asked questions
How long does Keto Cheesy Chicken and Vegetable Casserole take to make?
Total time is about 45 minutes (15 min prep + 30 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.
How do I store leftover Keto Cheesy Chicken and Vegetable Casserole?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep olive oil from drying out.
Can I substitute ingredients in Keto Cheesy Chicken and Vegetable Casserole?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Keto Cheesy Chicken and Vegetable Casserole for a different number of people?
The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
What goes well with Keto Cheesy Chicken and Vegetable Casserole?
American one pot like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
What others are saying
- ★★★★★
My family devoured this casserole. So easy and tasty! Made it for dinner guests and they loved it.
- ★★★★★
Loved the cheesy goodness, perfect for keto! My family asked for seconds.
- ★★★★☆
Easy one-pot meal that satisfied my keto cravings. Only wish it was spicier.
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