Imagine a golden, bubbly casserole fresh from the oven, filled with tender, thinly sliced beef and soft, caramelized onions and peppers. Each bite delivers a savory explosion of flavor—the rich, meaty beef paired perfectly with sweet, roasted vegetables, all wrapped in a luscious, creamy sauce that binds the dish together. Melted provolone and mozzarella top the casserole in a gooey, golden layer, creating a satisfying contrast between the creamy interior and the slightly crisp cheese on top.

Every forkful offers a balance of textures and flavors: tender beef, soft veggies, and melty, cheesy decadence that lingers on the palate. The aroma of garlic, paprika, and roasted peppers fills the kitchen, inviting everyone to dig in immediately. This Keto Philly Cheesesteak Casserole captures the essence of the classic sandwich in a low-carb, comforting, and indulgent casserole form—perfect for a cozy dinner or a hearty meal prep option.

Keto Philly Cheesesteak Casserole

Servings: 4–6
Prep time: 15 min
Cook time: 30–35 min

Ingredients

For the filling:

• 1 lb (450g) thinly sliced beef (ribeye or sirloin)

• 1 green bell pepper, sliced thin

• 1 small onion, sliced thin

• 2 cloves garlic, minced

• 2 tbsp olive oil or butter

• 1 tsp salt

• ½ tsp black pepper

• ½ tsp paprika

• ½ tsp onion powder

For the casserole:

• 1 cup shredded provolone cheese

• 1 cup shredded mozzarella cheese

• ¼ cup cream cheese

• ½ cup beef or chicken broth

• Optional: sliced mushrooms, ½ cup

Instructions

1. Cook the vegetables and beef:

   • Heat olive oil or butter in a skillet over medium-high heat.

   • Sauté onions, peppers, and mushrooms (if using) until soft, about 5–6 minutes.

   • Add garlic, salt, pepper, paprika, and onion powder. Stir for 30 seconds.

   • Add sliced beef and cook until just browned, 3–5 minutes.

2. Prepare the casserole:

   • Preheat oven to 375°F (190°C).

   • In a mixing bowl, combine cooked beef and veggies with cream cheese and broth. Mix until creamy.

3. Assemble:

   • Transfer mixture to a greased 8×8-inch baking dish.

   • Sprinkle shredded provolone and mozzarella evenly on top.

4. Bake:

   • Bake for 15–20 minutes until cheese is melted and bubbly.

5. Serve hot, optionally garnished with fresh parsley or sliced jalapeños for a little kick.

Estimated Nutritional Information (per serving)