Low Carb Philly Cheesesteak Casserole (Print Version)
Low carb Philly cheesesteak casserole packed with beef, peppers, onions, and melted cheese. Meal prep friendly and ready in under an hour.
# Recipe Info:
Prep Time: 15 Minutes minutes
Cook Time: 40 Minutes minutes
Total Time: 55 minutes
Servings: 6 Servings
Difficulty: Beginner
Cuisine: American
Dietary: Gluten-Free, Diabetic-Friendly
# Ingredients:
→ Savory Steak & Veggie Base
01 -
2 lbs ribeye steak, thinly sliced
02 -
1 large green bell pepper, thinly sliced
03 -
1 large yellow onion, thinly sliced
04 -
8 oz cremini mushrooms, sliced
05 -
2 tbsp olive oil
06 -
1 tsp Worcestershire sauce
→ Creamy Cheesesteak Sauce
07 -
8 oz cream cheese, softened
08 -
1/2 cup beef broth
09 -
1/4 cup heavy whipping cream
10 -
2 tsp garlic powder
11 -
1 tsp onion powder
→ Bold Seasoning Blend
12 -
1 tsp smoked paprika
13 -
1/2 tsp dried oregano
14 -
Salt and pepper to taste
→ Melty Provolone Crown
15 -
8 oz provolone cheese, shredded
16 -
2 oz mozzarella cheese, shredded
17 -
1 tbsp fresh parsley, chopped, for garnish
# Instructions:
01 -
Preheat your oven to 375°F and lightly grease a 9x13-inch baking dish with cooking spray or a thin coat of olive oil. Thinly slice your 2 lbs ribeye steak, 1 large green bell pepper, 1 large yellow onion, and 8 oz cremini mushrooms if not already done.
02 -
Heat 1 tbsp olive oil in a large skillet over high heat. Add the thinly sliced ribeye steak in a single layer and sear for 2-3 minutes per side until browned. Season with salt and pepper to taste, then drizzle with 1 tsp Worcestershire sauce. Transfer steak to the prepared baking dish.
03 -
In the same skillet, heat the remaining 1 tbsp olive oil over medium-high heat. Add the sliced green bell pepper, yellow onion, and cremini mushrooms. Sauté for 5-7 minutes until softened and lightly caramelized. Season with 1 tsp smoked paprika and 1/2 tsp dried oregano, then layer the veggies evenly over the steak.
04 -
In a medium saucepan over medium heat, combine 8 oz softened cream cheese, 1/2 cup beef broth, and 1/4 cup heavy whipping cream. Whisk continuously until smooth and creamy. Stir in 2 tsp garlic powder and 1 tsp onion powder. This rich sauce is what makes your Low Carb Philly Cheesesteak Casserole: Meal Prep Ready so irresistibly creamy.
05 -
Pour the warm cream cheese sauce evenly over the steak and vegetable layer in the baking dish, spreading it to the edges with a spatula. For the best Low Carb Philly Cheesesteak Casserole: Meal Prep Ready results, make sure every bite gets coated in that luscious sauce before adding the cheese topping.
06 -
Evenly sprinkle 8 oz shredded provolone cheese followed by 2 oz shredded mozzarella cheese over the top of the casserole. This melty provolone crown is the signature finish of your Low Carb Philly Cheesesteak Casserole: Meal Prep Ready, delivering that classic cheesesteak flavor in every forkful.
07 -
Place the baking dish in the preheated 375°F oven and bake uncovered for 20-25 minutes, until the cheese is fully melted, golden, and bubbling around the edges. For a deeper golden crust, broil on high for an additional 2-3 minutes, watching closely to prevent burning.
08 -
Remove the casserole from the oven and let it rest for 5 minutes before serving — this helps the sauce set for cleaner portions. Finish your Low Carb Philly Cheesesteak Casserole: Meal Prep Ready with a sprinkle of 1 tbsp fresh chopped parsley for a bright, fresh pop of color and flavor.
# Notes:
01 -
🥩 Steak Tip: Partially freezing your ribeye for 20-30 minutes before slicing makes it much easier to cut paper-thin slices, which cook faster and stay tender throughout the casserole.
02 -
🧊 Meal Prep & Storage: This casserole stores beautifully! Divide into individual airtight containers and refrigerate for up to 4 days, or freeze for up to 3 months. Reheat individual portions in the microwave for 2-3 minutes or in a 350°F oven for 10-12 minutes.
03 -
🔄 Substitution Tip: No ribeye on hand? Thinly sliced sirloin or flank steak work great as budget-friendly alternatives. You can also swap provolone for white American cheese or pepper jack for a spicier kick while keeping it low carb.
04 -
🍽️ Serving Suggestion: Serve this casserole over cauliflower rice, zucchini noodles, or alongside a crisp green salad to keep the meal fully low carb. For non-keto guests, it also pairs wonderfully with toasted hoagie rolls on the side.
# Tools You'll Need:
01 -
9x13 inch baking dish
02 -
large skillet
03 -
cutting board
04 -
sharp knife
05 -
mixing bowl
06 -
whisk
07 -
spatula
08 -
aluminum foil
09 -
oven
# Nutrition Facts (Per Serving):
Calories: 610 kcal
Total Fat: 46 g
Total Carbohydrate: 7 g
Protein: 42 g