Creamy Low-Carb Chicken and Broccoli Alfredo Casserole

Imagine a comforting meal that brings together the richness of classic Italian flavors without the heaviness of pasta. This creamy low-carb chicken and broccoli Alfredo casserole is the ultimate expression of home cooking, featuring tender seared chicken and vibrant green florets. By focusing on a velvety, spinach-infused Alfredo sauce, we create a dish where every bite is packed with depth and satisfaction. It is a hearty assembly that feels indulgent enough for a special occasion yet remains simple enough to prepare on a busy week night after work.

The texture profile of this casserole is truly remarkable. You get the slight bite of golden-seared chicken cubes contrasted against the tenderness of the broccoli florets that have absorbed the luxurious sauce. The sauce itself is thick and smooth, enhanced by the sharpness of Parmesan cheese and the earthy notes of fresh spinach. To the top, a golden blanket of melted mozzarella cheese provides a gooey, stretchy pull that binds all the wonderful ingredients together in a cohesive, warm embrace.

This dish is incredibly versatile and works perfectly for a cozy family dinner where you want a meal that everyone will enjoy. It is particularly ideal for cold winter evenings when you are craving something warm and soul-warming. Because it is baked in a single dish, it also minimizes cleanup time, allowing you to spend more time enjoying your company rather than standing over the kitchen sink.

Why You Will Love It

• This recipe offers a satisfying alternative to traditional pasta dishes, making it perfect for those seeking a lighter yet comforting meal.
• Using fresh ingredients like broccoli and spinach ensures a vibrant flavor profile and nutrient density that frozen vegetables simply cannot match here.
• The preparation method is straightforward and logical, making it accessible for home cooks who want high-quality results without professional stress.
• The combination of Parmesan and mozzarella cheese creates a complex flavor profile that is both rich and incredibly comforting to eat.
• This casserole is a crowd pleaser that is guaranteed to be loved by everyone from picky toddlers to adventurous adults at home.

Ingredients

Serves 6. Prep time: 20 minutes. Cook time: 35 minutes.

For the Casserole

• 2 large boneless, skinless chicken breasts (about 1.5 lbs / 680 g)
• 1 tsp kosher salt, divided (plus more to taste)
• ½ tsp freshly ground black pepper
• 1 tsp dried oregano
• 1 tsp paprika
• 1 tsp garlic powder
• 1 tbsp olive oil or unsalted butter (for searing)
• ½ large yellow onion, finely chopped
• 1 large garlic clove, grated or finely minced
• 1 ¼ cups heavy cream (300 ml)
• ½ cup freshly grated Parmesan cheese (50 g)
• 3 large handfuls fresh spinach (about 3 oz / 85 g)
• 18 oz fresh broccoli florets (510 g), cut into bite-sized pieces
• 1 cup shredded mozzarella cheese (115 g)
• 2 tbsp fresh parsley, chopped (for garnish)

Equipment

• 9x13-inch baking dish
• Large skillet
• Wooden spoon
• Cutting board
• Chef knife
• Paper towels