Keto Recipes

Portobello Mushroom Keto Burger

A Portobello Mushroom Keto Burger is a delightful low-carb and plant-based twist on the classic burger. Instead of a traditional beef patty, this recipe features a juicy and flavorful Portobello mushroom cap as the burger “bun.” It’s a healthy, satisfying, and keto-friendly alternative for those looking to reduce their carb intake while enjoying a delicious burger. Let’s get started on this fantastic recipe.


For the Portobello Mushroom Burgers:
  • 4 large Portobello mushroom caps
  • 2 tablespoons olive oil
  • 2 cloves garlic, minced
  • 1 teaspoon dried oregano
  • Salt and black pepper to taste
For the Toppings:
  • 4 slices of Swiss cheese or your preferred keto-friendly cheese
  • 1 cup arugula or baby spinach
  • 1 large tomato, sliced
  • 1/2 red onion, thinly sliced
  • Sugar-free ketchup and mustard for serving

Nutrition Facts (Per Serving – Makes 4 servings, without optional condiments):

  • Calories: 180
  • Total Fat: 14g
  • Saturated Fat: 2g
  • Cholesterol: 0mg
  • Sodium: 30mg
  • Total Carbohydrates: 10g
  • Dietary Fiber: 3g
  • Sugars: 3g
  • Protein: 4g


This recipe makes 4 Portobello Mushroom Keto Burgers.

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