Keto Philly Cheesesteak Casserole (Printable Version)

Low-carb casserole with beef, peppers, onions, and creamy cauliflower rice topped with melted cheese.

# What You Need:

→ Meat

01 - 1 lb thinly sliced beef steak such as sirloin or ribeye

→ Vegetables

02 - 4 cups cauliflower rice fresh or frozen
03 - 1 medium green bell pepper diced
04 - 1 medium red bell pepper diced
05 - 1 medium yellow onion thinly sliced
06 - 2 cloves garlic minced

→ Dairy & Cheese

07 - 1 cup shredded provolone cheese
08 - 1 cup shredded mozzarella cheese
09 - 2 oz cream cheese softened

→ Fats & Oils

10 - 2 tablespoons olive oil

→ Seasonings

11 - 1 teaspoon salt
12 - 0.5 teaspoon black pepper
13 - 0.5 teaspoon smoked paprika
14 - 0.5 teaspoon dried oregano

# Steps:

01 - Preheat oven to 375°F
02 - Heat 1 tablespoon olive oil in a large skillet over medium-high heat. Add thinly sliced beef and cook until browned about 3 to 4 minutes. Remove from skillet and set aside.
03 - In the same skillet add remaining tablespoon of olive oil. Sauté onions and bell peppers until softened about 5 to 6 minutes. Add minced garlic and cook for 1 more minute.
04 - Stir in cauliflower rice and cook until just tender about 4 minutes. Season with salt black pepper smoked paprika and oregano.
05 - Reduce heat to low. Add cream cheese and stir until melted and well combined with the vegetables.
06 - Return beef to the skillet and mix everything together thoroughly.
07 - Transfer the mixture to a greased 9 by 13 inch baking dish.
08 - Sprinkle provolone and mozzarella cheeses evenly over the top.
09 - Bake for 15 to 18 minutes or until the cheese is melted and bubbly.
10 - Let rest for 5 minutes before serving.

# Expert Advice:

01 -
  • It transforms a carb-heavy favorite into a keto-friendly meal without sacrificing flavor
  • Quick prep time of just 15 minutes makes it perfect for busy weeknights
  • The combination of two cheeses creates that authentic Philly cheesesteak experience
  • At only 5g net carbs per serving, it fits perfectly into a low-carb lifestyle
  • Leftovers reheat beautifully for lunch the next day
02 -
  • Slice the beef as thinly as possible – placing it in the freezer for 15-20 minutes before slicing makes this easier
  • For the best cheese pull, let the casserole rest for exactly 5 minutes before serving – any longer and the cheese begins to set
  • If using frozen cauliflower rice, thaw and squeeze out excess moisture before cooking to prevent a watery casserole
  • Pre-shredded cheese often contains anti-caking agents that can affect melting – grating your own provides the best texture
  • For meal prep, you can assemble everything up to 24 hours in advance and refrigerate until ready to bake
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