Description
Easy Keto Philly Cheesesteak Casserole: A 5-Ingredient Deluxe, low-carb, gluten-free take on a Philly cheesesteak that bakes into a creamy, cheesy casserole. Tender beef with sautéed peppers and onions, melty provolone or mozzarella, and a rich cream sauce come together for a satisfying weeknight dinner without the carbs.
Ingredients
Scale
- 1½ lbs beef sirloin or flank steak, thinly sliced
- 1 tbsp olive oil
- 1 green bell pepper, sliced
- 1 red bell pepper, sliced
- 1 small onion, sliced
- 2 cloves garlic, minced
- 1 tsp salt, or to taste
- ½ tsp black pepper
- ½ tsp paprika
- ½ cup heavy cream
- 4 oz cream cheese, softened
- 1½ cups shredded provolone or mozzarella cheese
- Optional topping: sliced green onions
Instructions
- Preheat oven to 375°F (190°C). Lightly grease a casserole dish.
- Heat olive oil in a large skillet over medium-high heat. Cook sliced beef for 3–4 minutes until just browned. Remove and set aside.
- In the same skillet, sauté bell peppers and onion for 4–5 minutes until softened. Add garlic and cook 30 seconds.
- Return beef to the skillet. Season with salt, pepper, and paprika.
- Stir in heavy cream and cream cheese until smooth and creamy.
- Transfer mixture to the prepared casserole dish. Top with shredded cheese.
- Bake for 20–25 minutes until bubbly and lightly golden on top.
- Let rest 5 minutes before serving. Garnish if desired.
Notes
- Tip: For thinner beef slices, freeze slightly and slice against the grain.
- Make ahead: Assemble and refrigerate up to 1 day before baking.
- Leftovers store in an airtight container for 3–4 days.
- To spice it up, add red pepper flakes or jalapeño slices.
- You can swap peppers for mushrooms or add extra onions.
- Gluten-free and keto-friendly as written.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Category: Main Course
- Method: Bake
- Cuisine: American
Nutrition
- Serving Size: 1 serving (about 1 cup)
- Calories: Approximately 480-520 kcal per serving
- Sugar: Approximately 3 g per serving
- Sodium: Approximately 700-800 mg per serving
- Fat: Approximately 36-40 g per serving
- Saturated Fat: Approximately 18-25 g per serving
- Unsaturated Fat: Approximately 12-16 g per serving
- Trans Fat: 0 g
- Carbohydrates: Approximately 5-6 g per serving
- Fiber: Approximately 1 g
- Protein: Approximately 40 g per serving
- Cholesterol: Approximately 160-190 mg per serving
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