Grilled Portobello Mushroom Burgers (Printable)

Savor grilled portobello burgers topped with creamy avocado and fresh veggies.

# What You Need:

→ Mushrooms & Marinade

01 - 4 large portobello mushroom caps, stems removed and gills scraped
02 - 3 tbsp olive oil
03 - 2 tbsp balsamic vinegar
04 - 2 tsp soy sauce (or tamari for gluten-free)
05 - 2 cloves garlic, minced
06 - 1 tsp dried oregano
07 - ½ tsp smoked paprika
08 - Salt and black pepper, to taste

→ Burger Assembly

09 - 4 burger buns (use gluten-free if needed)
10 - 1 ripe avocado, sliced
11 - 4 slices tomato
12 - 4 leaves lettuce (romaine or iceberg)
13 - ½ red onion, thinly sliced
14 - 4 tbsp mayonnaise or vegan mayo
15 - 2 tsp Dijon mustard

# How-To Steps:

01 - In a small bowl, whisk together olive oil, balsamic vinegar, soy sauce, minced garlic, oregano, smoked paprika, salt, and pepper.
02 - Brush the marinade over both sides of the portobello caps. Let them marinate for 10-15 minutes while you prepare the toppings and preheat your grill (or grill pan) to medium-high heat.
03 - Grill the mushrooms, cap side down first, for 4–5 minutes per side, until tender and slightly charred.
04 - Toast burger buns lightly on the grill, if desired.
05 - Spread mayonnaise and Dijon mustard on the bottom half of each bun. Layer with lettuce, grilled portobello, tomato slice, avocado slices, and red onion. Top with remaining bun half.
06 - Serve immediately with your favorite side dishes.

# Expert Advice:

01 -
  • The grilled portobello mushrooms are meaty yet tender, perfect for satisfying any appetite.
  • With fresh toppings and a light drizzle of sauce, every bite is a refreshing taste experience.
02 -
  • Don’t rush the marinating process; the longer they sit, the more flavorful they become.
  • Setting the grill to the right temperature is crucial for that ideal char without overcooking.
03 -
  • Be generous with the marinade for an extra flavor punch.
  • A little salt goes a long way to enhance the natural flavor of the mushrooms.
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