Philly Cheesesteak Stuffed Portobello Mushrooms

Philly Cheesesteak Stuffed Portobello Mushrooms

Prep Time5 mins
Cook Time25 mins
Total Time30 mins
Course: Dinner
Cuisine: American
Keyword: Keto Philly Cheesesteak Stuffed Portobellos, Low Carb Philly Cheesesteak Stuffed Mushrooms, Philly Cheesesteak Stuffed Portobello Mushrooms
Calories: 256kcal


  • 6 oz Sirloin Steak, Boneless
  • 1/4 tsp Kosher Salt
  • 1 tsp Black Pepper
  • 1/4 oz Cooking Spray
  • 3/4 cup Onion, Diced
  • 3/4 cup Green Bell Pepper, Diced
  • 1/4 cup cup Light Sour Cream
  • 2 tbsp Light Mayonnaise
  • 2 oz Light Cream Cheese
  • 3 oz Provolone Cheese
  • 4 Portobello Mushrooms


  • Preheat the oven to 400F. Spray a baking sheet with oil.
  • Gently remove the stems, scoop out the gills and spray the tops of the mushrooms with oil, season with 1/8 tsp salt and fresh pepper.
  • Season steak with salt and pepper on both sides.
  • Spray a large skillet with cooking spray and heat on high, let the pan get very hot then add the steak and cook on high heat about 1 to 1 1/2 minutes on each side, until cooked through.
  • Transfer to a cutting board and slice thin, set aside.
  • Reduce the heat to medium-low, spray with more oil and saute onions and peppers 5 to 6 minutes, until soft.
  • Combine all the ingredients in a medium bowl. Transfer to the mushroom caps, about 1/2 cup each.
  • Bake in the oven until the cheese is melted and the mushrooms are tender, about 20 minutes.

Nutrition Facts

1 servings per container

  • Amount Per ServingCalories256
  • % Daily Value *
  • Total Fat 16g 25%
    • Saturated Fat 8.5g 43%
  • Cholesterol 26.5mg 9%
  • Sodium 383.5mg 16%
  • Total Carbohydrate 10g 4%
    • Dietary Fiber 4g 16%
    • Sugars 3.5g
  • Protein 19g 38%

    * The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

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    Written by Lisa Yarde

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