Portabella, Bleu Cheese & Walnut Patties

• 1 lb portabella mushroom cap, cleaned and finely chopped
• 13 cup walnuts, finely chopped
• 7 tablespoons breadcrumbs
• 2 tablespoons yellow onions, finely chopped
• 14 teaspoon salt
• 18 teaspoon black pepper
• 4 tablespoons blue cheese, crumbled
• 1 egg, whisked

1. With your hands, mix all ingredients until well combined.
2. Shape into 4 1/4-inch-thick patties.
3. Grill over medium-high coals or pan grill over medium-high heat for 3-4 minutes on each side, or until heated through.
4. To serve, place each burger on a roll or bun; dollop of mayo then top with lettuce, tomato, avocado, cucumber and/or onion slices to taste.

portabella mushroom, walnuts, breadcrumbs, yellow onions, salt, black pepper, blue cheese, egg

Taken from www.food.com/recipe/portabella-bleu-cheese-walnut-patties-341394 (may not work)