Swiss Mushroom Burger Recipe Image showing finished burger and Weber seasoning product.

Swiss Mushroom Burger Recipe

Prep Time: 10 Minutes
Cook Time: 10 Minutes
Total Time: 20 Minutes
Yield: Serves 4 people


1/3 C olive oil

1 1/2 tsp balsamic vinegar

1 tbsp Dijon mustard

1 1/2 tbsp Weber Flavor Bomb Burger seasoning

4 big Portobello mushroom caps, (optional to trim stems)

4 slices of swiss cheese

4 brioche burger buns, toasted

Mayo (or your choice of burger sauce)


1. In a large bowl, mix together the olive oil, balsamic vinegar, dijon and Weber seasoning. Mix until fully incorporated. Coat each of the four mushrooms with the marinade. Make sure to get some marinade on the gills.

2. Heat a grill pan over medium heat. When the pan is hot, place mushrooms on grill pan with gills facing up. Cook on both sides for 4-5 minutes. When the mushrooms are turned, add cheese and once cheese has melted, remove from pan.

3. Build the burger. Spread mayo on bottom bun, add tomato, lettuce, “burger,” onion and top bun.