Melted mozzarella creates a bubbly, golden crust over a savory blend of seasoned ground beef and wilted spinach in this rich casserole. The dish is held together by a thick, velvety alfredo sauce made from heavy cream, cream cheese, and grated Parmesan, offering a decadent texture without any grain-based thickeners. Served hot, the bake delivers a fragrant aroma of Italian herbs and garlic, providing a hearty meal that moves directly from stovetop to table.

About This Recipe

Browning the ground beef with diced onions and garlic establishes a savory foundation before the fresh spinach is introduced to the skillet to wilt into the meat. The alfredo sauce is prepared separately by melting cream cheese into heavy cream, creating a stable, ivory-colored base that remains smooth throughout the baking process. Once the mozzarella and Parmesan are stirred in, the sauce is combined with the beef to ensure every ingredient is evenly coated.

The flavor profile features a rich and creamy character, where the saltiness of the Parmesan enhances the mild, savory notes of the seasoned beef. Italian seasoning and garlic powder provide a steady aromatic depth that works in tandem with the earthy finish of the spinach. As the casserole heats through, the fats from the dairy and protein integrate with the herbs to create a steady, savory flavor throughout the dish.

The ground beef alfredo bake is served hot, allowing a brief rest after removal from the oven to let the cheese-heavy sauce set for easier portioning. Cooking the beef and spinach in the same skillet keeps the savory juices closely connected to the proteins before they are enveloped by the cream base. This comforting meal is often presented as a standalone dinner or paired with roasted broccoli, offering a straightforward and versatile keto-friendly dinner.

Why You’ll Love This Recipe

Ultra-creamy alfredo flavor
High-protein and low-carb
Perfect for meal prep
Simple ingredients, fast assembly
Comforting and family-friendly
Naturally gluten-free
Customizable
Great for ground beef boards

What You’ll Need for This Ground Beef Spinach Alfredo Casserole

For the Ground Beef Layer

1.5 lb ground beef
1 tbsp olive oil
1/2 small onion, diced
2 cloves garlic, minced
1 tsp salt
1/2 tsp black pepper
1/2 tsp Italian seasoning

For the Alfredo Sauce

1 cup heavy cream
4 oz cream cheese
1 cup shredded mozzarella
1/2 cup grated Parmesan
1/2 tsp garlic powder

Other Ingredients

3 cups fresh spinach
1 1/2 cups shredded mozzarella (for topping)

Step-by-Step Preparation

Preheat oven to 375°F.
Heat olive oil in a large skillet and sauté onion 2–3 minutes.
Add ground beef, garlic, salt, pepper, and Italian seasoning. Cook until browned; drain excess fat.
Add spinach to the skillet and cook 1–2 minutes until wilted.
In a saucepan, heat heavy cream and cream cheese until smooth.
Stir in mozzarella, Parmesan, and garlic powder until melted into a thick alfredo sauce.
Combine ground beef mixture with the alfredo sauce.
Transfer to a greased baking dish and top with mozzarella.
Bake 20–25 minutes until hot and bubbly.
Cool slightly and serve

FAQ

Q: Can I use ground turkey instead of beef?
A: Yes — it works the same, just slightly lighter in flavor.
Q: Can I add vegetables?
A: Cauliflower, mushrooms, or zucchini work very well.
Q: Can I make it spicier?
A: Add red pepper flakes or a spicy Italian seasoning blend.
Q: Will frozen spinach work?
A: Yes — thaw and squeeze out excess moisture first.
Q: Is this good for meal prep?
A: Excellent. It reheats very well and stays creamy.

Variations & Substitutions

Add mushrooms for more volume
Swap mozzarella for provolone or pepper jack
Use cauliflower rice in the base
Add extra Parmesan for richer flavor
Mix in roasted garlic for depth
Add chili flakes for spice

Serving Suggestions

Serve with roasted broccoli
Pair with a simple green salad
Spoon over cauliflower rice
Enjoy as a full meal on its own

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