Keto Creamy Chicken & Spinach Alfredo Bake is a rich, comforting low-carb dinner casserole made with tender chicken, fresh spinach, mozzarella, parmesan, and a homemade creamy Alfredo sauce. This easy keto bake delivers restaurant-level flavor with simple ingredients, making it perfect for meal prep, family dinners, or satisfying weeknight comfort food without the carbs.

About This Recipe

If you’ve ever wanted a keto dinner that feels warm, creamy, and deeply comforting without being heavy or complicated, this Chicken & Spinach Alfredo Bake gives you all of that in a single dish. It combines tender chicken with a rich Alfredo sauce made from butter, garlic, cream, and parmesan — thick, silky, and perfectly balanced. As the casserole bakes, the mozzarella melts into a golden top layer while the sauce bubbles underneath, coating every piece of chicken and spinach. It’s the kind of satisfying comfort food that tastes indulgent but still fits easily into a low-carb lifestyle, and it delivers that familiar creamy-and-cheesy combination that American casseroles are known for.

Traditional Alfredo casseroles rely on pasta, flour-thickened sauces, or high-carb fillers, but this keto version stays true to authentic flavor without any unnecessary carbs. The spinach wilts into the sauce, adding freshness and color, while the chicken absorbs the creamy mixture and becomes exceptionally tender in the oven. There’s no need for complicated ingredients or special substitutions — the flavors come from simple keto staples that stay true to classic Alfredo while still feeling like a well-rounded dinner. The sauce clings to everything in the dish, making each bite rich, cozy, and satisfying without ever being overwhelming.

What makes this recipe especially reliable is how well it fits into real life. It’s easy to assemble, great for meal prep, reheats perfectly, and works for picky eaters, families, or anyone craving creamy comfort food. The casserole style makes it simple to portion and serve, and you can keep it plain or pair it with any sides you like. Whether you’re planning a weeknight dinner, cooking ahead for the week, or just want something warm and satisfying, this creamy chicken and spinach Alfredo bake gives you a full, flavorful keto meal with minimal effort and maximum comfort.

Why You’ll Love This Recipe

Creamy homemade Alfredo sauce
Melty mozzarella topping
Tender chicken + wilted spinach
Keto, low-carb, gluten-free
Perfect for meal prep
Comfort food without carbs

Ingredients

2 lbs cooked chicken breast, shredded or cubed
3 cups fresh spinach
2 cups shredded mozzarella
1 cup grated parmesan
1 cup heavy cream
4 tbsp butter
3 cloves garlic, minced
1/2 tsp salt
1/4 tsp pepper
1/4 tsp Italian seasoning (optional)

Instructions

Preheat oven to 375°F.
Melt butter in a skillet; sauté garlic until fragrant.
Add heavy cream, parmesan, salt, pepper, and Italian seasoning. Simmer until thickened.
Stir in spinach until wilted.
Add cooked chicken and coat in the sauce.
Transfer mixture to a casserole dish.
Top with shredded mozzarella.
Bake 20–25 minutes or until golden and bubbling.
Cool slightly before serving.

Nutrition (per serving)

Calories: 480
Fat: 34 g
Net Carbs: 4 g
Protein: 38 g

FAQ

Can I use rotisserie chicken?
Yes, it works perfectly.
Can I use frozen spinach?
Yes, but thaw and squeeze out excess water first.
Can I make it dairy-free?
Not with Alfredo — this recipe relies on dairy.
Will it freeze well?
Yes, freeze before baking for best results.

Variations & Substitutions

Add mushrooms for more volume
Swap spinach for kale
Add bacon or pancetta for smokiness
Use pepper jack for a spicy twist

Serving Suggestions

Serve with roasted broccoli, zucchini noodles, or a fresh green salad.

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