Sara Blackburn is a recipe developer and the creator of the food blog Real Balanced.

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Bunless burgers not your thing? Not to worry—Portobello mushrooms save the day in this Portobello Bun Cheeseburgers recipe! This delicious, nutrient-dense, and satiating meal is something the whole family will love!

Mmm, Mushrooms!

Often a great substitute for meat for its flavor and meaty texture, portobello mushrooms are also a great substitute for burger buns, especially if you’re on a low-carb, ketogenic diet.

Mushrooms aren’t technically plants (as sometimes assumed in the food world), but rather, they belong to the fungi kingdom. However, much like vegetables, portobello mushrooms offer an array of essential nutrients and are a great addition to any diet.

The consumption of whole, unprocessed foods like mushrooms is associated with a reduced risk of many health conditions including obesity, diabetes, and heart disease. Additionally, portobello mushrooms contain two types of dietary fiber (beta-glucans and chitin), which play an important role in weight management. With these dietary fibers, satiety increases and appetite decreases.

More Health Benefits:

  • Low in calories
  • Contains disease-fighting antioxidants
  • Helps combat inflammation
  • Great source of fiber
  • Promotes heart health
  • Great source of B-vitamins
  • Boosts immunity

Fun Fact: Portobello mushrooms are just extremely large cremini-like mushrooms and can grow to be the size of a regular hamburger—no wonder they’re perfect for this recipe! And an added bonus, one portobello mushroom is more potassium-rich than a banana. This can help you with any ketosis side effects (keto flu), as a common mineral deficiency, not just with low-carb diets, is potassium.

 

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Portobello Bun Cheeseburgers

Even if bunless burgers aren’t your thing, these Portobello Bun Cheeseburgers will give you a delicious, nutrient-dense, and satiating meal everyone can enjoy!

  • Author: Sara Blackburn
  • Prep Time: 0 hours 5 minutes
  • Cook Time: 15 minutes
  • Total Time: 20 minutes
  • Yield: 6
  • Category: Dinner
  • Cuisine: American

Ingredients

  • 1 lb. grassfed 80/20 ground beef
  • 1 tbsp Worcestershire sauce
  • 1 tsp pink Himalayan salt
  • 1 tsp black pepper
  • 1 tbsp avocado oil
  • 6 portobello mushroom caps, destemmed, rinsed and dabbed dry
  • 6 slices sharp cheddar cheese

Instructions

  • In a bowl, combine ground beef, Worcestershire sauce, salt, and pepper.
  • Form beef into burger patties.
  • In a large pan, heat avocado oil over medium heat. Add portobello mushroom caps and cook for about 3-4 minutes on each side. Remove from heat.
  • In the same pan, cook burger patties for 4 minutes on one side and 5 minutes on the other side, or until desired doneness is achieved. Add cheese to top of burgers and cover with a lid and allow cheese to melt, about 1 minute.
  • Layer one portobello mushroom cap, then cheeseburger, desired garnishes, and top with remaining portobello mushroom cap.
  • Enjoy!

Notes

Optional garnishes

  • Sliced dill pickles
  • Romaine
  • Sugar-free barbecue sauce
  • Spicy brown mustard

Nutrition

  • Serving Size: 1
  • Calories: 336
  • Fat: 22.8
  • Carbohydrates: 5.8 (Net Carbs: 4)
  • Protein: 29.1

Keywords: portobello bun cheeseburgers

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Responses (4)

  1. Sounds great..do you slice the mushrooms in half for the 6 burgers or does it make 3 burgers and 1/2 burger is the serving? Just discovered your site and appreciate your recipes!

  2. Hey Linda, there is typo here and thank you for pointing it out. I would use 1 mushroom cap on the bottom and eat it as an open faced burger 🙂

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