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5 Powerful Reasons to Make This Keto Philly Cheesesteak Casserole Tonight

Cheesy Keto Philly Cheesesteak Casserole with sautéed beef, peppers, and onions in a white baking dish

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Keto Philly Cheesesteak Casserole is a low-carb, high-protein comfort food packed with beef, cheese, and veggies, perfect for a satisfying keto-friendly meal.

  • Author: Camilla
  • Prep Time: 15 minutes
  • Cook Time: 20 minutes
  • Total Time: 35 minutes
  • Yield: 6 servings
  • Category: Main Course
  • Method: Baking
  • Cuisine: American
  • Diet: Gluten Free

Ingredients

  • Thinly sliced beef (ribeye, sirloin, or ground beef)
  • Bell peppers (any color)
  • Onions
  • Mushrooms (optional)
  • Cream cheese
  • Shredded provolone or mozzarella cheese
  • Olive oil or butter
  • Garlic powder
  • Salt
  • Black pepper

Instructions

  1. Preheat oven to 375°F and grease a casserole dish.
  2. Sauté onions, bell peppers, and mushrooms in olive oil until softened.
  3. Add the sliced beef and cook until browned. Season with garlic powder, salt, and pepper.
  4. Stir in cream cheese and mix until melted and well combined.
  5. Transfer the mixture to the greased baking dish and spread evenly.
  6. Top with shredded cheese.
  7. Bake for 15–20 minutes until bubbly and lightly golden.
  8. Chill for 10 minutes to set before serving.

Notes

  • Use ribeye for the most authentic flavor, but sirloin or ground beef works well too.
  • Sauté vegetables separately to retain texture.
  • Customize cheese choice for different flavor profiles.
  • Add Worcestershire sauce or beef broth for deeper flavor.
  • Finish under the broiler for a golden cheesy top.

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