Caribbean Mushroom Burger (Grain-Free)

I recently worked with the Mushroom Council on a contest they were promoting called the Blended Burger Contest. Because of this contest, I came up with this recipe. I want to preface — I am not legally obligated to share this recipe, but I wanted to. This is just an example of why I only work with brands I truly align with: because I genuinely love the content i produce with them and their products! That being said, here is my Caribbean burger skinny swap recipe and let me tell you, it’s incredibly delicious! These can also be served as sliders, for anyone looking to spice up their summer parties with some unique light bites.

First, I swapped out a classic bun for roasted sweet potato slices, marinated in a Caribbean inspired liquid seasoning. Next, i created a blended burger with mushrooms and beef, and added a hint of liquid seasoning to that mixture as well. Finally, I topped the burger with some mango salsa and fresh avocado for that extra tropical flare.

Blonde girl throwing mushrooms onto a caribbean burger with mango salsa and avocado
mushroom beef blended burger between two sweet potato buns and topped with mango tomato salsa

Caribbean Mushroom Burger (Grain-Free)

A classic burger meets a tropical, healthier spin, with this mushroom and beef blended burger. The meat is marinated in a tropical coconut liquid seasoning, then the burger is topped with a delicious mango salsa, and served on sweet potato "buns."
Course Main Course
Cuisine American, Gluten-Free, Healthy
Servings 2


Liquid Seasoning

  • 1/2 cup coconut water
  • 1/4 cup mango purée
  • 1 tsp jerk seasoning or you can combine cinnamon, garlic powder, onion powder, allspice, paprika, thyme, parsley, salt, pepper, cayenne (optional for heat)
  • Juice of 1/2 lime

Burger Patty

  • 2/3 cup grass-fed beef
  • 1/3 cup mushrooms
  • 1 1/2 tsp liquid seasoning

Sweet Potato Bun

  • 1 sweet potato
  • 1 tsp salt or to taste
  • 1 tsp pepper or to taste
  • 1/2 cup liquid seasoning
  • Sesame seeds to taste


  • 1/4 cup mango chopped
  • 1/4 cup tomato chopped
  • 1 tsp cilantro finely chopped
  • 1 tbsp red onion chopped
  • Juice of 1/4 lime
  • 1/2 avocado sliced lengthwise


Liquid seasoning

  • Combine all ingredients in a bowl and mix thoroughly.


  • Preheat the oven to 425 degrees.
  • Slice the sweet potato lengthwise, into long round slices.
  • Marinate the sweet potato slices in liquid seasoning for 10 minutes, and then brush them with coconut oil. Sprinkle salt, pepper and sesame seeds on top.
  • Bake the sweet potato "buns" in the oven for 30 minutes, flipping halfway through. If you have very thick slices, you may need to bake longer, so wait until the sweet potatoes are tender and browned.

Mango Salsa

  • Mix together all the salsa ingredients in a bowl. Pulse in a food processor if you want less chunky salsa.
  • Add any other leftover liquid seasoning to your salsa for an extra kick of flavor!

Burger Patty

  • In a bowl, combine grass-fed beef with finely chopped mushrooms (patty should be 75% beef & 25% mushrooms).
  • Mix 1 teaspoon of liquid seasoning into burger mixture.
  • Create a patty with the meat mixture.
  • Season a pan with coconut oil and place the patty in the pan to cook one side.
  • Cook for 4-6 minutes on one side, and flip to cook for another 4-6 minutes, until fully cooked. Internal temperature should be around 145 for a medium rare burger, and 160 for a medium burger.
  • Take your sweet potatoes out of the oven once cooked to desired temp.
  • Place the patty on sweet potato buns and put an avocado slice on top of the patty. Put a dollop of mango salsa on top of the avocado. Feel free to add more lime juice or avocado if desired!
Keyword blended burger, grain free burger, mushroom burger, sweet potato buns

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