Creamy Keto Broccoli Chicken Casserole

This creamy keto broccoli chicken casserole is everything you want on a cozy weeknight: velvety, savory sauce hugged by tender shredded chicken and just‑tender broccoli, finished with a bubbling golden cheddar top. The texture is rich and silky from the cream cheese and heavy cream, with a pleasant contrast between soft chicken and slight bite from the florets. It’s straightforward to make, coming together in a single baking dish, and it reheats beautifully for lunches or a simple family dinner. If you’re drawn to classic comfort flavors without the carbs, this casserole delivers. For a deeper dive into the exact recipe and measurements, see the full Creamy Keto Broccoli Chicken Casserole recipe page.

Why You’ll Love This Creamy Keto Broccoli Chicken Casserole

• Rich, comforting flavor from cream cheese, heavy cream, and melted cheddar.
• Satisfying texture contrast: silky sauce, tender chicken, and slightly crisp-tender broccoli.
• Low-carb and keto-friendly without feeling restrictive or skimpy.
• Hands-on time is minimal — most work is simple steaming, whisking, and mixing.
• Great for weeknight dinners, meal prep, or a cozy weekend bake.
• Reheats well for easy leftovers and keeps its creaminess.
• Uses common pantry staples and cooked chicken you may already have.
• Easily portionable — makes a hearty main or a shareable side.

What Is Creamy Keto Broccoli Chicken Casserole?

This casserole is a baked one-dish meal that combines shredded cooked chicken with steamed broccoli in a rich, cream cheese-based sauce and a blanket of melted cheddar on top. The taste is comforting and savory, with a mild tang from the cream cheese and a buttery, cheesy finish from the cheddar. The cooking method is simple: steam the broccoli, whisk a creamy sauce on the stovetop, combine with chicken, and bake until bubbly and golden. It’s typically served as a main course for weeknights, potlucks, or casual family dinners — the kind of feel-good dish that’s both familiar and satisfying. The overall vibe is cozy comfort food with a keto twist.

Ingredients for Creamy Keto Broccoli Chicken Casserole

For the Base

• 2 cups shredded cooked chicken (about 10 oz / 280 g)
• 3 cups broccoli florets (about 270 g)

For the Sauce

• 4 oz cream cheese (113 g)
• 1/2 cup heavy cream (120 ml)
• 1/2 teaspoon garlic powder
• 1/2 teaspoon onion powder
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 1 tablespoon butter

For Topping

• 1 cup shredded cheddar cheese (about 4 oz / 112 g)

Ingredient Notes (Substitutions, Healthy Swaps)

• Dairy swaps: If you need lighter dairy, use a lower-fat cream cheese and reduce heavy cream slightly, but note the casserole will be less rich. Full-fat dairy yields the creamiest result.
• Chicken: Use leftover roast chicken or a quick rotisserie chicken shredded into 2 cups. Dark meat increases richness slightly.
• Broccoli: Fresh is preferred for texture, but frozen florets can be used — thaw and drain well before combining to avoid excess moisture.
• Salt control: If your cooked chicken is salted (rotisserie chicken), reduce added salt to taste.
• Cheese: Stick with a real cheddar for good melting and flavor. Mild to sharp cheddar will change the flavor profile but will not break the dish.
• Butter: Unsalted butter allows better control of seasoning; use salted if that’s what you have and reduce extra salt.

Step-by-Step Instructions

1. Step 1 – Preheat and prepare the dish
   Preheat the oven to 375°F and lightly grease a 9×13 baking dish.
   Visual cue: The dish should be evenly greased so the casserole won’t stick and the top edges brown nicely.

2. Step 2 – Steam the broccoli
   Steam broccoli until just tender, then drain thoroughly. Overcooked broccoli will turn mushy once baked.
   Pro cue: Steam for 3–5 minutes until bright green and fork‑tender; spread on a towel to remove excess water.

3. Step 3 – Make the creamy sauce
   In a saucepan over medium-low heat, melt the butter and stir in the cream cheese and heavy cream. Whisk in garlic powder, onion powder, salt, and pepper until a smooth, glossy sauce forms.
   Visual cue: The sauce should be lump-free and pourable but thick enough to coat the back of a spoon.
   Pro cue: Keep heat moderate and whisk constantly to prevent the cream cheese from sticking or separating.

4. Step 4 – Combine chicken, broccoli, and sauce
   In a large bowl, combine the shredded cooked chicken, drained broccoli, and the creamy sauce. Mix well so everything is evenly coated.
   Visual cue: Chicken and broccoli should be fully coated in the sauce with no dry spots.

5. Step 5 – Transfer and top
   Transfer the mixture to the prepared baking dish and spread it evenly. Sprinkle the shredded cheddar evenly over the top.
   Pro cue: For an even melt and golden color, let the casserole sit a few minutes while the oven finishes preheating.

6. Step 6 – Bake and finish
   Bake for 20–25 minutes until the casserole is bubbly and the cheddar is melted. For a golden top, broil 1–2 minutes, watching closely to prevent burning.
   Visual cue: Bubbles around the edges and a deep golden top indicate doneness.

Pro Tips for Success

• Warm the cream cheese slightly before combining to speed melting and reduce lumps: cut it into cubes and let it sit at room temperature for 10–15 minutes.
• Drain broccoli well — excess water will make the casserole runny. Pat florets dry with a paper towel if necessary.
• Use fully cooked, shredded chicken to keep bake time short and prevent drying out. Two cups shredded is ideal.
• Whisk the sauce constantly over moderate heat to get a velvety consistency and avoid scorching.
• If the sauce seems too thick, add a splash more heavy cream (a tablespoon at a time) until it reaches a smooth pourable texture.
• When broiling, keep the oven door slightly ajar if your oven recommends it and watch carefully — cheese can go from golden to burnt in seconds.
• Let the casserole rest 5–10 minutes before serving to let the sauce settle and make scooping easier.

Flavor Variations (OPTIONAL)

• Extra Cheesy (OPTIONAL): Increase cheddar to 1.5 cups to make an extra-gooey top — still uses only the listed cheese ingredient measured up.
• Richer Sauce (OPTIONAL): Add another ounce of cream cheese or an extra tablespoon of heavy cream for a silkier sauce using the same core ingredients.
• Deeper Garlic (OPTIONAL): Increase garlic powder to 1 teaspoon for more savory depth using only the listed seasoning.
• Individual Portions (OPTIONAL): Assemble in ramekins and reduce bake time slightly for single-serving casseroles while keeping the ingredient list identical.

Serving Suggestions

• Serve with a crisp green side salad for a lighter balance and a textural contrast.
• Plate alongside roasted asparagus or sautéed spinach for a green-on-green presentation that keeps carbs low.
• Slice and serve hot from the dish for family-style dinners, or portion into meal prep containers for grab-and-go lunches.
• Great for potlucks — bring it in the baking dish and reheat briefly before serving to refresh the melted top.
• For a comforting brunch twist, scoop into small crocks and sprinkle extra cheddar — bake until bubbly for individual servings.
• If you prefer a pasta-style indulgence, try a related take on creamy chicken and broccoli in gnocchi form with this similar creamy chicken and broccoli gnocchi idea.

Make-Ahead, Storage & Reheating

• Make-ahead: Assemble the casserole but do not add the cheddar topping. Cover tightly and refrigerate for up to 24 hours; add cheese and bake as directed when ready.
• Refrigerator storage: Store cooled casserole in an airtight container or tightly covered in the baking dish for 3–4 days.
• Reheating: Reheat individual portions in a microwave for 1–2 minutes until warm, or reheat the whole dish in a 350°F oven covered with foil for 15–20 minutes, removing the foil for the final 5 minutes to refresh the top.
• Texture note: The sauce firms up when chilled; allow resting time during reheating to bring it back to a creamy texture.

Storage and Freezing Instructions

• Freezing: This casserole can be frozen, but cream-based casseroles sometimes separate slightly after freezing and thawing. For best results, assemble and freeze without baking: cover tightly and freeze for up to 2 months. Thaw overnight in the refrigerator, add cheddar, and bake until bubbly.
• If you must freeze a baked casserole, expect a small change in texture; reheat gently and stir once to reincorporate any separated sauce.
• Alternative: If freezing isn’t ideal for your meal plan, consider storing in individual portions for easier reheating and better texture retention.

Nutrition Facts (Per Serving)

| Calories | Protein | Carbs | Fat | Fiber | Sodium |
|———|——–|——|—–|——|——-|
| 320 kcal | 22 g | 5 g | 24 g | 1 g | 420 mg |

Nutrition values are estimates and may vary depending on ingredients and portion sizes.

FAQ About Creamy Keto Broccoli Chicken Casserole

1. Q: Why is my casserole watery after baking?
   A: Excess moisture usually comes from under-drained broccoli or frozen broccoli that wasn’t thawed/pressed. Drain and pat broccoli thoroughly before mixing.

2. Q: How do I know when the casserole is done?
   A: The casserole is done when it’s bubbling around the edges and the cheddar on top is melted and golden. A 20–25 minute bake at 375°F is typical.

3. Q: Can I use raw chicken instead of cooked shredded chicken?
   A: The recipe uses shredded cooked chicken to keep bake time short and texture consistent. Using raw chicken would require longer baking and risks drying the meat.

4. Q: Will the sauce separate if overheated?
   A: High heat can cause cream to separate. Cook the sauce over medium-low heat and avoid boiling; bake at the recommended temperature and avoid excessive broiling time.

5. Q: How long will leftovers last in the fridge?
   A: Stored in an airtight container, leftovers keep well for 3–4 days.

6. Q: Can I double the recipe for a crowd?
   A: Yes — use a larger baking dish and extend bake time until bubbling through; monitor broiling closely if you use the broiler for color.

Notes

• Let the casserole rest 5–10 minutes after baking to firm up slightly and make serving cleaner.
• Taste the sauce before baking and adjust salt and pepper—chicken and cheddar can add varying amounts of salt.
• For a restaurant-style presentation, scoop into shallow bowls and sprinkle a little extra shredded cheddar for melt and appeal.
• If using rotisserie chicken, remove skin and large bones, then shred evenly to ensure each bite is balanced.
• To avoid over-browning, broil for no more than 1–2 minutes and stand by the oven to watch the top closely.

Creamy Keto Broccoli Chicken Casserole

This creamy, low-carb casserole features tender shredded chicken, just-tender broccoli, and a rich sauce, topped with melted cheddar cheese for a comforting weeknight meal.

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Prep Time 15 minutes mins

Cook Time 25 minutes mins

Total Time 40 minutes mins

Course Main Course

Cuisine American

Servings 6 servings

Calories 320 kcal

Ingredients

  

For the Base

• 2 cups shredded cooked chicken (about 10 oz / 280 g) Use leftover or rotisserie chicken.
• 3 cups broccoli florets (about 270 g) Fresh is preferred, but frozen can work if drained well.

For the Sauce

• 4 oz cream cheese (113 g) Use full-fat for the creamiest result.
• 1/2 cup heavy cream (120 ml) Lower-fat alternatives can be used, but will alter richness.
• 1/2 teaspoon garlic powder
• 1/2 teaspoon onion powder
• 1/2 teaspoon salt Adjust based on the saltiness of the chicken.
• 1/4 teaspoon black pepper
• 1 tablespoon butter Use unsalted for better control over seasoning.

For Topping

• 1 cup shredded cheddar cheese (about 4 oz / 112 g) Use a real cheddar for best melting.

Instructions

 

Preparation

• Preheat the oven to 375°F (190°C) and lightly grease a 9×13 baking dish.
• Steam broccoli until just tender, about 3–5 minutes, then drain thoroughly.

Making the Sauce

• In a saucepan over medium-low heat, melt the butter and stir in the cream cheese and heavy cream. Whisk in garlic powder, onion powder, salt, and pepper until smooth.

Combining

• In a large bowl, combine the shredded chicken, drained broccoli, and sauce. Mix well to ensure everything is coated.

Baking

• Transfer the mixture to the prepared baking dish and sprinkle cheddar cheese on top.
• Bake for 20–25 minutes until bubbly and cheese is melted. Broil for 1–2 minutes for a golden finish, watching to prevent burning.

Notes

Let the casserole rest for 5–10 minutes before serving for easier scooping. For a richer dish, consider incorporating more cream cheese or heavy cream.

Keyword Broccoli, Casserole, Chicken, Comfort Food, Keto