A rich, cheesy, low-carb casserole packed with tender chicken, broccoli, and a creamy garlic-Parmesan sauce. This is an ideal keto comfort food that’s easy enough for weeknights and great for meal prep.

Yield

• 6 servings

Prep Time

• 15 minutes

Cook Time

• 30–35 minutes

Total Time

• About 50 minutes

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Nutrition (Approximate Per Serving)

• Calories: 450–550
• Protein: 35–40 g
• Net Carbs: 5–7 g
• Fat: 30–38 g

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Ingredients

Main Ingredients

• 4 cups (about 600 g) cooked chicken breast or thigh, diced or shredded
• 5 cups (about 450 g) broccoli florets
• 2 tbsp butter
• 3 cloves garlic, minced

Creamy Sauce

• 1 cup (240 ml) heavy cream
• 4 oz (115 g) cream cheese, softened
• 1 cup (100 g) shredded mozzarella cheese
• ½ cup (50 g) grated Parmesan cheese
• ½ tsp onion powder
• ½ tsp Italian seasoning
• ½ tsp salt (or to taste)
• ¼ tsp black pepper

Topping

• 1 cup (100 g) shredded cheddar cheese
• ¼ cup grated Parmesan cheese

Optional:

• 2 slices cooked bacon, crumbled
• 1 tbsp chopped parsley

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Equipment

• 9×13-inch (23×33 cm) casserole dish
• Large skillet or saucepan
• Mixing spoon

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Step 1: Preheat the Oven

Preheat oven to 375°F (190°C).

Lightly grease the casserole dish with butter or cooking spray.

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Step 2: Prepare the Broccoli

Bring a pot of salted water to a boil.

Add broccoli florets and cook for 2–3 minutes.

Drain immediately and rinse with cold water to stop cooking.

Alternatively, steam for 3–4 minutes.

The broccoli should remain slightly crisp.

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Step 3: Make the Creamy Sauce

In a large skillet over medium heat:

1. Melt butter.
2. Add garlic and cook for 30 seconds until fragrant.

Add:

• Heavy cream
• Cream cheese

Whisk until smooth.

Then stir in:

• Mozzarella
• Parmesan
• Onion powder
• Italian seasoning
• Salt
• Pepper

Cook until the cheeses melt and the sauce becomes smooth and creamy.

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Step 4: Combine the Filling

In a large bowl combine:

• Chicken
• Broccoli
• Cream sauce

Mix until everything is evenly coated.

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Step 5: Assemble the Casserole

Transfer the mixture to the prepared casserole dish.

Spread evenly.

Top with:

• Cheddar cheese
• Parmesan cheese

Add bacon crumbles if using.

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Step 6: Bake

Bake uncovered for 25–30 minutes.

The casserole is ready when:

• Cheese is melted
• Top is golden brown
• Edges are bubbling

For extra browning, broil for 2–3 minutes at the end.

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Step 7: Rest

Allow the casserole to rest for 5–10 minutes before serving.

This helps the sauce thicken slightly.

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Variations

Buffalo Chicken Version

Add:

• ¼ cup hot sauce

to the cream sauce and top with blue cheese crumbles.

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Ranch Version

Add:

• 1 tbsp ranch seasoning

to the sauce for a ranch-style casserole.

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Extra Veggies

Add:

• Cauliflower florets
• Spinach
• Mushrooms

while keeping carbs relatively low.

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Meal Prep & Storage

Refrigerator

• Store covered for up to 4 days.

Freezer

• Freeze for up to 3 months.

Thaw overnight in the refrigerator before reheating.

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Reheating

Oven

• 350°F (175°C) for 15–20 minutes.

Microwave

• 1–2 minutes per serving.

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Serving Suggestions

Serve with:

• A simple green salad
• Roasted asparagus
• Sautéed zucchini
• Cauliflower rice