Mushroom-Quinoa Burger - Healthy Vegan Recipes - HappyCow

Ingredients

• 4 medium portobello mushroom caps (about 1 lb), stalks removed, chopped
• 1/2 cup walnuts
• 1 clove garlic
• 2 tbsp. canola oil
• 1/4 cup Chopped red onion
• 3 green onions, chopped
• 2 tsp. rice wine vinegar
• 1 cup cooked quinoa
• 1/2 cup cornstarch
• Whole-grain burger buns
• Sprouts
• Lettuce
• Sliced tomatoes
• Rosemary Mayo
• 1/2 cup mayonnaise
• 1 tsp. finely chopped fresh rosemary
• 1 tsp. lemon juice
• Kosher salt