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A savory low-carb Philly cheesesteak casserole in a rectangular glass baking dish, topped with melted cheese, thinly sliced beef, colorful bell peppers, and onions, garnished with fresh herbs, and served hot with a crispy golden edges.

Low-Carb Philly Cheesesteak Casserole: Cheesy & Hearty!

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Discover the delicious and healthy Low-Carb Philly Cheesesteak Casserole, a cheesy and hearty keto-friendly dish perfect for weeknights and meal prep. This recipe combines tender beef strips, vibrant peppers, and melted cheese for a satisfying, low-carb meal that captures the flavors of a classic Philly cheesesteak with less carbs.

  • Total Time: 30 minutes
  • Yield: 4 servings 1x

Ingredients

Scale
  • 1 lb (450g) thinly sliced beef sirloin or ribeye
  • 1 large onion, sliced
  • 2 bell peppers, sliced (red and green)
  • 3 cloves garlic, minced
  • 1 cup shredded provolone or cheddar cheese
  • 2 tbsp olive oil
  • 1 tsp paprika
  • ½ tsp black pepper
  • ½ tsp salt
  • Fresh parsley for garnish (optional)

Instructions

  1. Heat 1 tablespoon of olive oil in a large skillet over medium heat. Add sliced onions and bell peppers, cooking until soft and slightly caramelized.
  2. Add garlic and beef strips to the skillet, seasoning with salt, pepper, and paprika. Cook until beef is browned and cooked through.
  3. Transfer the cooked mixture to a baking dish. Spread evenly, then top with shredded cheese. Add more cheese on top if desired.
  4. Preheat oven to 375°F (190°C). Bake uncovered for 15-20 minutes until cheese is bubbly and golden.
  5. Garnish with fresh parsley and serve hot. Pair with a side salad or roasted vegetables for a complete low-carb meal.

Notes

  • Use thinly sliced beef for quick cooking and maximum flavor.
  • Customize with additional vegetables like mushrooms or zucchini, and spices such as cayenne for varied flavors.
  • Store leftovers in an airtight container in the refrigerator for up to 3 days, reheating in the microwave or freezing for longer storage.
  • Author: Serena Miller
  • Prep Time: 10 minutes
  • Cook Time: 20 minutes
  • Category: Main Course
  • Method: Baking, Sautéing
  • Cuisine: American
  • Diet: Keto, Low-Carb

Nutrition

  • Serving Size: 1 portion
  • Calories: 350 kcal Kcal
  • Sugar: 4 g
  • Sodium: 700 mg
  • Fat: 25 g
  • Saturated Fat: 10 g
  • Unsaturated Fat: 15 g
  • Trans Fat: 0 g
  • Carbohydrates: 8 g
  • Fiber: 3 g
  • Protein: 30 g
  • Cholesterol: 100 mg