Vegan Portobella Guacamole Mushroom Burger

If you like veggie burgers or mushroom burgers, try this vegetarian burger recipe with portobella mushrooms and topped with guacamole.

Ingredients:

• 4 medium portabella mushrooms, stems removed
• 1 medium onion, cut into 1/2 inch slices
• 3 tbsp olive oil
• 3/4 tsp salt, divided
• 1/2 teaspoon ground black pepper, divided
• 1 avocado
• lemon juice
• 1/2 tsp minced garlic
• 4 hamburger buns, lightly toasted
• 4 roasted red peppers, from a jar

Preparation:

Brush mushrooms and onion slices with oil; sprinkle with 1/2 teaspoon of the salt and 1/4 teaspoon of the pepper. Heat large skillet or grill pan over medium heat until hot. Add mushrooms; cook until tender, 8 to 10 minutes, turning once. Transfer mushrooms to plate, cavity side up; cover to keep warm.
In same skillet, cook onion slices until golden, about 8 minutes, turning occasionally.
Meanwhile, combine in small bowl,  avocado,  garlic, splash of lemon juice, and remaining 1/4 teaspoon each salt and pepper; mash until smooth.
Spoon onions and roasted peppers into mushroom cavities, divided equally. Spread smooth Avocado mixture on top of each bun; top each with stuffed mushrooms.
Cover with tops of buns.
Makes 4 vegetarian portabella mushroom burgers.
Nutritional information:
Each portabella burger provides:
338 calories, 10 grams protein, 19 grams fat, 36 grams carbohydrate

Bon Appétit,

recipe from about.com photos by Laura Spear