Keto Cheesy Chicken and Broccoli Bake – A Comforting Low-Carb Classic

This is one of those dinners you can pull together on a weeknight and feel great about. It’s hearty, cheesy, and packed with protein and veggies, without the carb overload. Think tender chicken, crisp-tender broccoli, and a rich, creamy cheese sauce that ties it all together.

If you’re following keto or just want a satisfying, low-carb meal, this hits the spot. Plus, it’s family-friendly and makes excellent leftovers.

Save

Keto Cheesy Chicken and Broccoli Bake – A Comforting Low-Carb Classic

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 30 minutes mins

Total Time 45 minutes mins

Servings: 6 servings

Ingredients Method

Ingredients

  

• 1.5 pounds boneless, skinless chicken breasts, cut into bite-size pieces (or use thighs if you prefer)
• 4 cups broccoli florets, fresh or frozen (if frozen, thaw and pat dry)
• 2 tablespoons olive oil or butter
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1/2 teaspoon smoked paprika (optional, for depth)
• 1 teaspoon kosher salt, plus more to taste
• 1/2 teaspoon black pepper
• 4 ounces cream cheese, softened
• 1 cup heavy cream
• 1/2 cup chicken broth, preferably low-sodium
• 1.5 cups shredded cheddar cheese, divided
• 1/2 cup shredded mozzarella (for melt and stretch)
• 1/4 cup grated Parmesan (adds savory bite)
• 1 tablespoon Dijon mustard (optional, but recommended)
• 1 tablespoon chopped fresh parsley or chives, for garnish
• Pinch of red pepper flakes (optional, for heat)

Method

 

1. Prep the oven and pan. Heat your oven to 375°F (190°C). Grease a 9x13-inch baking dish with olive oil or butter.
2. Blanch or steam the broccoli. Cook the broccoli until crisp-tender, about 2–3 minutes in boiling water or 4–5 minutes in the microwave with a splash of water. Drain well and pat dry to prevent a watery bake.
3. Cook the chicken. In a large skillet over medium heat, warm 2 tablespoons olive oil. Add chicken, garlic powder, onion powder, smoked paprika, salt, and pepper. Sauté 5–7 minutes until just cooked through and lightly golden. Do not overcook. Transfer to a plate.
4. Make the cheese sauce. In the same skillet on low heat, whisk together cream cheese, heavy cream, and chicken broth until smooth. Stir in Dijon. When it simmers gently, add 1 cup cheddar, mozzarella, and Parmesan. Whisk until melted and glossy. Taste and adjust salt and pepper.
5. Assemble. Spread the broccoli and chicken in the baking dish. Pour the cheese sauce evenly over the top and toss gently to coat. Sprinkle the remaining 1/2 cup cheddar over everything. Add red pepper flakes if using.
6. Bake. Bake uncovered for 15–20 minutes, until bubbling at the edges and the top is melted and lightly golden.
7. Finish and serve. Let it rest 5 minutes so the sauce sets slightly. Garnish with parsley or chives. Serve warm.

Jump to Recipe Card

Save

Why This Recipe Works

Save

This bake leans on simple, everyday ingredients that deliver big flavor with minimal fuss. Using a quick stovetop cheese sauce means you get a creamy texture that coats every bite, instead of dry shreds scattered over the top.

Pre-cooking the chicken keeps it juicy and helps the casserole bake up fast. Broccoli adds color, fiber, and a pleasant bite that balances the richness. And because it’s naturally low in carbs, you get comfort food without the heavy, sleepy feeling.

Ingredients

• 1.5 pounds boneless, skinless chicken breasts, cut into bite-size pieces (or use thighs if you prefer)
• 4 cups broccoli florets, fresh or frozen (if frozen, thaw and pat dry)
• 2 tablespoons olive oil or butter
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1/2 teaspoon smoked paprika (optional, for depth)
• 1 teaspoon kosher salt, plus more to taste
• 1/2 teaspoon black pepper
• 4 ounces cream cheese, softened
• 1 cup heavy cream
• 1/2 cup chicken broth, preferably low-sodium
• 1.5 cups shredded cheddar cheese, divided
• 1/2 cup shredded mozzarella (for melt and stretch)
• 1/4 cup grated Parmesan (adds savory bite)
• 1 tablespoon Dijon mustard (optional, but recommended)
• 1 tablespoon chopped fresh parsley or chives, for garnish
• Pinch of red pepper flakes (optional, for heat)

How to Make It

Save

1. Prep the oven and pan. Heat your oven to 375°F (190°C).

   Grease a 9×13-inch baking dish with olive oil or butter.

2. Blanch or steam the broccoli. Cook the broccoli until crisp-tender, about 2–3 minutes in boiling water or 4–5 minutes in the microwave with a splash of water. Drain well and pat dry to prevent a watery bake.
3. Cook the chicken. In a large skillet over medium heat, warm 2 tablespoons olive oil. Add chicken, garlic powder, onion powder, smoked paprika, salt, and pepper.

   Sauté 5–7 minutes until just cooked through and lightly golden. Do not overcook. Transfer to a plate.

4. Make the cheese sauce. In the same skillet on low heat, whisk together cream cheese, heavy cream, and chicken broth until smooth.

   Stir in Dijon. When it simmers gently, add 1 cup cheddar, mozzarella, and Parmesan. Whisk until melted and glossy.

   Taste and adjust salt and pepper.

5. Assemble. Spread the broccoli and chicken in the baking dish. Pour the cheese sauce evenly over the top and toss gently to coat. Sprinkle the remaining 1/2 cup cheddar over everything.

   Add red pepper flakes if using.

6. Bake. Bake uncovered for 15–20 minutes, until bubbling at the edges and the top is melted and lightly golden.
7. Finish and serve. Let it rest 5 minutes so the sauce sets slightly. Garnish with parsley or chives. Serve warm.

How to Store

• Refrigerate: Cool completely, then store in an airtight container for up to 4 days.
• Freeze: Portion into freezer-safe containers and freeze up to 2 months.

  Thaw overnight in the fridge before reheating.

• Reheat: Warm in a 325°F (165°C) oven, covered, for 15–20 minutes, or microwave gently in 60-second bursts. If the sauce thickens, stir in a splash of cream or broth.

Save

Benefits of This Recipe

• Keto-friendly and satisfying: High in protein and fat, low in carbs, so it keeps you full without spikes in blood sugar.
• Family-approved comfort food: Creamy, cheesy flavors that even picky eaters enjoy.
• One-pan convenience: Easy to assemble and bake, with simple cleanup.
• Flexible ingredients: Works with chicken breasts or thighs and various cheeses you have on hand.
• Meal prep friendly: Holds up well in the fridge and reheats without getting soggy when properly drained.

Common Mistakes to Avoid

• Skipping the broccoli drain: Wet broccoli waters down the sauce. Steam or blanch lightly and pat dry.
• Overcooking the chicken: It finishes in the oven, so keep stovetop cooking brief to avoid dryness.
• Boiling the cheese sauce: High heat can cause separation.

  Keep it low and slow, and whisk until just melted.

• Using pre-shredded cheese only: It often contains anti-caking agents that prevent smooth melting. Freshly shredded melts better.
• Under-seasoning: Taste the sauce and adjust salt, pepper, and Dijon so the finished bake doesn’t fall flat.

Alternatives

• Swap the protein: Use rotisserie chicken (about 4 cups shredded), turkey, or cooked sausage. For pescatarians, try chunks of cooked salmon added at the end before baking.
• Different veggies: Cauliflower, zucchini (salt and pat dry), spinach (sauté and squeeze dry), or asparagus cut into 1-inch pieces all work well.
• Cheese variations: Try Gruyère for nutty depth, pepper jack for heat, or a blend of cheddar and Monterey Jack for extra melt.
• Dairy-light option: Replace part of the heavy cream with unsweetened almond milk and add an extra ounce of cream cheese to maintain thickness.
• Crunchy topping: For texture, sprinkle crushed pork rinds mixed with Parmesan over the top in the last 5–10 minutes of baking.
• Spice it up: Add chipotle powder, cayenne, or a spoon of green chiles to the sauce for a kick.

FAQ

Can I make this ahead?

Yes.

Assemble the casserole up to the point of baking, cover, and refrigerate for up to 24 hours. When ready, bake at 375°F (190°C) for 20–25 minutes, until hot and bubbly. If it’s very cold from the fridge, add a few extra minutes.

Is this freezer-friendly?

It freezes well after baking.

Cool completely, portion, and freeze. The sauce may thicken slightly when reheated, so stir in a splash of cream or broth to loosen it if needed.

Can I use frozen broccoli?

Yes, just thaw fully and pat dry. If it’s very soft, reduce steaming time or skip it and go straight to assembly to avoid overcooking.

What can I use instead of heavy cream?

For keto, stick with heavy cream or a mix of heavy cream and unsweetened almond milk.

Coconut cream can work, but it may add a slight coconut flavor. Avoid regular milk to keep carbs low and the sauce thick.

How do I keep the sauce from becoming grainy?

Keep the heat low, add cheeses gradually, and whisk until just melted. Use freshly shredded cheese for the smoothest texture.

Avoid boiling once cheese is added.

Can I add rice or pasta for non-keto eaters?

Serve their portions over cooked rice or cauliflower rice on the side. That way, you keep the main dish keto-friendly while making everyone happy.

What side dishes go well with this?

Try a simple green salad with lemon vinaigrette, roasted Brussels sprouts, sautéed green beans, or cauliflower mash. Keep sides light to balance the richness.

How many servings does this make?

It yields about 6 servings as a main.

For bigger appetites, plan on 4–5 servings.

What’s the approximate carb count?

It varies by brands and portions, but expect around 5–7 net carbs per serving if you stick to the ingredients listed. Always calculate based on your exact products.

Can I cook the chicken in the oven instead?

Yes. Toss bite-size pieces with oil and seasonings, spread on a sheet pan, and roast at 400°F (205°C) for 10–12 minutes until just done.

Then proceed with the recipe.

Wrapping Up

Keto Cheesy Chicken and Broccoli Bake brings comfort, flavor, and convenience to your table without the carbs that weigh you down. With a creamy, well-seasoned sauce and crisp-tender broccoli, it’s a dependable weeknight winner and a solid meal-prep option. Keep the technique simple, season boldly, and you’ll have a bubbly, golden casserole that tastes like it came from your favorite café—only it’s faster, cheaper, and keto-friendly.

Enjoy it tonight, and save a portion for an easy lunch tomorrow.