Keto Philly Cheesesteak Stuffed Portobello 
This Keto Philly Cheesesteak Stuffed Portobello recipe is a low-carb, high-protein, and cheesy delight that brings all the flavors of a classic Philly cheesesteak without the bread! Perfect for a satisfying and easy dinner.
Ingredients (Serves 4)
4 large portobello mushrooms, stems removed 1 lb (450g) thinly sliced beef sirloin or ribeye steak 1 green bell pepper, thinly sliced 1 yellow or red bell pepper, thinly sliced 1 large onion, thinly sliced 2 tbsp olive oil 1 tbsp butter (or coconut oil for dairy-free) 1 tsp garlic powder 1 tsp onion powder Salt & pepper, to taste 4 slices provolone cheese (or any keto-friendly cheese)
Instructions
Preheat & Prepare Mushrooms
Preheat oven to 375°F (190°C).
Line a baking sheet with parchment paper.
Clean portobello mushrooms by wiping them with a damp paper towel.
Remove stems and scoop out the gills to create space for the filling.
Cook the Beef
Heat 1 tbsp olive oil in a skillet over medium-high heat.
Sear thinly sliced beef until cooked to desired doneness.
Season with garlic powder, onion powder, salt, and pepper.
Remove beef from skillet and set aside.
Sauté Peppers & Onions
In the same skillet, add 1 tbsp olive oil + butter.
Sauté sliced onions and bell peppers until soft and slightly caramelized.
Assemble & Bake
Preheat the oven’s broiler.
Stuff each portobello cap with cooked beef, sautéed onions, and peppers.
Top with a slice of provolone cheese.
Place on the baking sheet and broil for 2-3 minutes until cheese is melted and bubbly.
Nutrition Facts (Per Stuffed Portobello, Serves 4)
Calories: 365
Total Fat: 24g
Saturated Fat: 9g
Cholesterol: 91mg
Sodium: 317mg
Total Carbohydrate: 8g
Fiber: 2g
Net Carbs: 6g
Sugar: 4g
Protein: 27g
Serving Tips & Variations:
Extra Flavor? Add a dash of Worcestershire sauce while cooking the beef. More Cheese? Sprinkle shredded cheddar or mozzarella before broiling. Make it Spicy! Add red pepper flakes or jalapeños for a kick.
This Keto Philly Cheesesteak Stuffed Portobello is the ultimate low-carb, protein-packed meal with all the cheesy, meaty goodness of a Philly cheesesteak—without the carbs! 
