Keto Garlic Mushroom Chicken Casserole is my weeknight rescue. It helps busy families and professionals crave cozy food without extra carbs. I designed this 5-ingredient deluxe bake for juicy chicken, garlicky mushrooms, and a creamy sauce. It comes together fast, forgiving, and crowd-pleasing. I’m a home cook who loves practical, delicious meals that fit a hectic schedule. This dish stays silky from prep to plate. It’s the kind of recipe I reach for when time is tight but taste matters. Read on to see how you can make it yours tonight and in the week ahead.
Table of Contents
what make this Keto Garlic Mushroom Chicken Casserole special
A warm intro that ties into busy lives
Keto Garlic Mushroom Chicken Casserole is my answer when the clock bites back. It tastes like a hug and fits low carb goals.
This 5-ingredient deluxe bake stays silky, forgiving, and ready in minutes. It handles busy evenings, picky eaters, and meal-prep fatigue with grace.
Creamy garlic sauce, mushrooms, and juicy chicken mingle in a single dish. I love that it trims effort without skimping on flavor. You’ll taste home in every creamy bite from start to finish, and you’ll see it shine on busy weeknights. It’s the kind of dish you slip onto weeknight menus and never regret.

Ingredients Keto Garlic Mushroom Chicken Casserole
Ingredient overview and exact measurements
Here are the ingredients for Keto Garlic Mushroom Chicken Casserole. I love how this five-ingredient deluxe bake comes together with pantry staples and shortcuts.
- 2 lbs boneless, skinless chicken breasts or thighs, cut into bite-size pieces
- 2 tbsp olive oil
- 8 oz mushrooms, sliced
- 4 garlic cloves, minced
- 1 small onion, diced
- 1 cup heavy cream
- 1/2 cup chicken broth
- 4 oz cream cheese, softened
- 1 cup shredded mozzarella or Monterey Jack cheese
- 1 tsp dried thyme
- 1 tsp dried parsley
- 1/2 tsp paprika
- Salt and pepper to taste
- Optional: fresh parsley for topping
Tip: cremini or button mushrooms both work well. For dairy-free, use coconut cream and dairy-free cheese; adjust thickness with broth. Exact quantities appear at the bottom of the article and are printable.
How to Make Keto Garlic Mushroom Chicken Casserole
I love how Keto Garlic Mushroom Chicken Casserole comes together in one pan. It delivers creamy comfort while staying keto-friendly, perfect for busy weeknights. I’ll walk you through my simple rhythm so you can batch this into a week of dinners.
Step 1 – Preheat and prep for Keto Garlic Mushroom Chicken Casserole
Prep the pan, season the chicken, and get your mise en place ready
Preheat to 375°F. Grease a casserole dish and line up all ingredients. Cut chicken into bite-sized pieces and season with salt, pepper, thyme, and paprika. Have onion, garlic, mushrooms, cream cheese, cream, and broth within reach so the bake comes together fast.
Step 2 – Sear the chicken for Keto Garlic Mushroom Chicken Casserole
Brown the chicken lightly; it will finish cooking in the oven
In olive oil over medium-high heat, brown the chicken in batches until golden. It won’t be fully cooked yet, which keeps it juicy. Transfer to a plate and keep the pan for the sauce.

Step 3 – Sauté onions and mushrooms for Keto Garlic Mushroom Chicken Casserole
Cook until onions are translucent and mushrooms release moisture
Into the same skillet, sauté onion, mushrooms, and garlic until the onions glow translucent and the mushrooms soften. A pinch of salt helps pull moisture and deepen flavor. Scrape up any browned bits for extra richness.
Step 4 – Create the creamy garlic sauce for Keto Garlic Mushroom Chicken Casserole
Stir in cream cheese, heavy cream, and broth until smooth
Reduce heat and whisk in cream cheese with heavy cream and chicken broth. Stir until the sauce is smooth and slightly thick. Season with salt, pepper, and paprika to taste; simmer 3–4 minutes to marry the flavors.
Step 5 – Bake and rest for Keto Garlic Mushroom Chicken Casserole
Bake until bubbly and lightly golden; rest before serving
Pour the sauce, veggies, and chicken into the casserole dish. Top with shredded cheese, then bake 20–25 minutes until bubbly and golden. Let rest 5 minutes, garnish with parsley, and serve.
Tips for Success
Quick kitchen tips for Keto Garlic Mushroom Chicken Casserole
- I prep mise en place for Keto Garlic Mushroom Chicken Casserole to speed assembly.
- I brown the chicken in batches; it locks in juices, finishes in the oven.
- I sauté mushrooms and onions until aroma rises; don’t rush caramelization.
- I stir sauce gently; whisk cream cheese first, then liquids.
- I rest the casserole 5 minutes for creamy, even slices.
- I taste and adjust salt at the end to balance flavors.
Equipment Needed
Tools and substitutes for Keto Garlic Mushroom Chicken Casserole
Here are the essentials, with simple substitutes if something’s missing.
- 9×13-inch baking dish or any oven-safe casserole pan
- 12-inch skillet for searing; cast iron is great
- Mixing spoons, whisk, and measuring cups
- Cutting board and sharp knife
- Oven mitts and a timer
- Aluminum foil (optional for resting and heat retention)
Variations
Flavor twists and dietary tweaks for Keto Garlic Mushroom Chicken Casserole
I love these variations for Keto Garlic Mushroom Chicken Casserole; they fit busy weeks and keep flavors vibrant.
- Dairy-free: use coconut cream and dairy-free cream cheese; skip regular cheese if needed.
- Add veggies: fold in spinach or diced zucchini at step 3.
- Cheese swap: mozzarella with parmesan or pepper jack for a sharper bite.
- Spice it up: red pepper flakes or smoked paprika for warmth.
- Protein tweak: try chicken thighs or add bacon bits for richness.
- Mushroom mix: use cremini, shiitake, and button for depth.
- Make-ahead: assemble and chill overnight, then bake as directed.
Why You’ll Love This Keto Garlic Mushroom Chicken Casserole
Why this Keto Garlic Mushroom Chicken Casserole fits your busy life
I love how this Keto Garlic Mushroom Chicken Casserole makes weeknights feel doable.
With minimal prep and one-pan comfort, dinner lands on the table fast.
It’s as friendly to hands-on cooks as it is to busy professionals juggling tasks.
The flavors are warm and familiar, yet clean enough for keto goals.
Juicy chicken, garlicky mushrooms, and creamy sauce satisfy cravings without excess carbs.
Leftovers feel like a cozy hug the next day.
This Keto Garlic Mushroom Chicken Casserole fits your busy life because you can batch it.
Reheat and serve in minutes, with flavor you can trust.
Give it a try tonight and feel the relief of easy, delicious cooking.
Serving Suggestions
Pairings and presentation ideas for Keto Garlic Mushroom Chicken Casserole
- Steam broccoli florets and cauliflower rice for a bright, low-carb side.
- Pair with a crisp white like Sauvignon Blanc or sparkling water with lime.
- Garnish with fresh parsley and a light drizzle of olive oil.
- Serve in shallow bowls to showcase the creamy sauce.

Meal Prep Hacks for Keto Garlic Mushroom Chicken Casserole
Meal prep hacks for Keto Garlic Mushroom Chicken Casserole
I love meal prep hacks for Keto Garlic Mushroom Chicken Casserole because busy days deserve a little magic. When I prep ahead, dinner lands on the table with flavor and vibes intact. This dish thrives on make-ahead steps that keep the creamy texture and low-carb promise.
Make-ahead tips: season the chicken and slice the mushrooms, then refrigerate. Sauté the onion and mushrooms and cool them; store in an airtight container. Mix the cream cheese with heavy cream and broth ahead of time and chill until needed. When ready, simply combine and bake.
Batch cooking makes life easier too. Double the ingredients on a Sunday, bake one casserole now and refrigerate the second for midweek meals. Or freeze unbaked portions for up to 2 months; thaw overnight and bake as directed.
When it’s time to eat, reheat in the oven at 350°F until warm to preserve creaminess; add a splash of broth if the sauce thickens. Let it rest a few minutes to reabsorb juices and shine on your plate.
FAQs
Keto Garlic Mushroom Chicken Casserole FAQs
Q1. Is Keto Garlic Mushroom Chicken Casserole gluten-free and keto-friendly as written?
A1. Yes—using gluten-free thickening options and the listed ingredients keeps Keto Garlic Mushroom Chicken Casserole gluten-free and keto-friendly.
Q2. Can I use chicken thighs instead of breasts?
A2. Yes—thighs stay juicier; adjust cook time by a few minutes.
Q3. How should I store leftovers?
A3. Cool, then refrigerate in an airtight container for up to 3–4 days; reheat gently.
Q4. Can I freeze this casserole?
A4. Yes, freeze before baking or after cooking; freeze in portions and reheat slowly.
Final Thoughts
Final reflections on a cozy Keto Garlic Mushroom Chicken Casserole
This Keto Garlic Mushroom Chicken Casserole feels like a warm hug after a long day.
I love how it comes out silky from the oven and fills the kitchen with comfort.
It proves cozy flavor can fit a low-carb plan.
I value its forgiving nature on busy nights.
Leftovers taste just as good the next day.
This dish stays on my weekly rotation, a true Keto Garlic Mushroom Chicken Casserole moment.
If your week runs wild, this recipe adapts.
Tweak dairy, add greens, or swap chicken cuts to your pantry.
I hope you taste home in every bite of Keto Garlic Mushroom Chicken Casserole.
Serving Suggestions
Pairings and presentation ideas for Keto Garlic Mushroom Chicken Casserole
- Steam broccoli florets and cauliflower rice for a bright, low-carb side.
- Pair with a crisp white like Sauvignon Blanc or sparkling water with lime.
- Garnish with fresh parsley and a light drizzle of olive oil.
- Serve in shallow bowls to showcase the creamy sauce.
Keto Garlic Mushroom Chicken Casserole: 5-Ingredient Deluxe Recipe
- Total Time: 35 minutes
- Yield: 6 servings 1x
- Diet: Gluten Free
Description
Keto Garlic Mushroom Chicken Casserole: a rich, creamy, low-carb chicken bake featuring tender chicken, savory mushrooms, and garlicky cream cheese sauce—perfect for cozy weeknights or easy meal prep.
Ingredients
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- 2 lbs boneless skinless chicken breasts or thighs, cut into bite-size pieces
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- 2 tbsp olive oil
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- 8 oz mushrooms, sliced
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- 4 garlic cloves, minced
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- 1 small onion, diced
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- 1 cup heavy cream
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- 1/2 cup chicken broth
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- 4 oz cream cheese, softened
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- 1 cup shredded mozzarella or Monterey Jack cheese
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- 1 tsp dried thyme
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- 1 tsp dried parsley
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- 1/2 tsp paprika
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- Salt and pepper to taste
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- Optional: fresh parsley for topping
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Instructions
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- Preheat oven to 375°F (190°C). Grease a casserole dish.
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- Heat olive oil in a skillet over medium heat. Add chicken, season with salt, pepper, thyme, and paprika. Cook until lightly browned (does not need to be fully cooked through).
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- Add onion, mushrooms, and garlic. Sauté until veggies soften.
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- Stir in cream cheese, heavy cream, and chicken broth. Simmer 3–4 minutes until smooth and slightly thickened.
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- Transfer everything to the casserole dish and top with shredded cheese.
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- Bake 20–25 minutes until bubbly and golden.
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- Let rest 5 minutes before serving. Garnish with fresh parsley if desired.
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Notes
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- This dish yields 6 servings and is great for meal prep.
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- For extra richness, use full-fat cream cheese and heavy cream.
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- Chicken thighs stay juicier than breasts if preferred.
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- Make-ahead option: assemble in the casserole dish, refrigerate, then bake as directed.
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- Garnish with fresh parsley for color and a fresh finish.
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- Prep Time: 10 minutes
- Cook Time: 25 minutes
- Category: Main Course
- Method: Bake
- Cuisine: American
Nutrition
- Serving Size: 1 serving (about 1/6 of recipe)
- Calories: 490
- Sugar: 4 g
- Sodium: 700 mg
- Fat: 40 g
- Saturated Fat: 25 g
- Unsaturated Fat: 15 g
- Trans Fat: 0 g
- Carbohydrates: 5 g
- Fiber: 1 g
- Protein: 40 g
- Cholesterol: 150 mg
Keywords: Keto Garlic Mushroom Chicken Casserole, keto chicken casserole, garlic mushroom chicken, creamy chicken bake, low carb casserole, gluten free chicken dinner