Grilled Portobello Mushroom Burgers

Paula D'Elia

by | Updated: January 25th, 2023

Want a vegan burger that’s plant-based and comes ready to grill? Enter the portobello mushroom burger! The large mushroom is filled with nature’s umami and fits perfectly in a hamburger bun. Add more umami flavor to the portobellos with a coconut aminos marinade, and grill for a touch of smokiness. Add to that a pile of plant-based toppings, such as grilled onions, arugula, tomato slices and avocado for a filling, delicious meal. Make it your own with different marinades and toppings. The possibilities are endless!

A Grill Pan Holds Six Portobello Mushroom Burgers With Grill Marks.

0 from 0 votes

Grilled Portobello Mushroom Burgers

Prep Time 15 minutes
Cook Time 20 minutes
Marinate 25 minutes
Total Time 1 hour
Servings 4
Calories 315 kcal
Author Pau D'Elia



  1. In small bowl, whisk together coconut aminos, olive oil, salt and pepper for marinade.
  2. Brush portobellos with marinade and let sit at room temperature 20-30 minutes.
  3. Preheat outdoor grill at medium to high heat.
  4. Brush onion rings with oil and sprinkle with salt.
  5. Grill onion rings in single layer, flipping when grill marks form. Set aside.
  6. Grill portobellos stem side up 5 minutes or until grill marks appear. Flip and cook another 4-5 minutes.
  7. Grill buns 1 minute if desired.
  8. To prepare burgers, top buns with arugula, tomato slice, grilled onion, grilled portobello and avocado slices.

Recipe Notes

Grab these ingredients and more at


Nutrition Facts
Grilled Portobello Mushroom Burgers
Amount Per Serving (1 g)
Calories 315 Calories from Fat 153
% Daily Value*
Fat 17g26%
Saturated Fat 3g15%
Trans Fat 0.003g
Polyunsaturated Fat 3g
Monounsaturated Fat 11g
Sodium 718mg30%
Potassium 756mg22%
Carbohydrates 36g12%
Fiber 6g24%
Sugar 8g9%
Protein 8g16%
Vitamin A 569IU11%
Vitamin C 13mg16%
Calcium 97mg10%
Iron 2mg11%
* Percent Daily Values are based on a 2000 calorie diet.
Pau D'Elia

Pau is an IIN Certified Integrative Nutrition Health Coach (INHC) and certified yoga teacher who has been passionate about healthy living her entire life. She's an environmentalist who believes meditation is the remedy for any illness. Pau is also a passionate reader, eternal student, believer of magic, lover of homemade food and obsessed with dancing until her feet hurt. Pau, the founder of Pau’s Secrets, sheres her passion for yoga, meditation and cooking on her YouTube channel. Check out her cookbook “The Secret Ingredient” on her website: