Homemade Veggie Burgers | Healthy Family Project

Ingredients

• 1 tablespoon unsalted butter
• 2 cups sliced mushrooms
• 1 cup plus ½ cup diced sweet onions, divided
• 1 16 oz. can black beans, drained, rinsed
• 1 red bell pepper (quartered, seeded)
• 2 cloves garlic (peeled)
• 1 large egg
• 1/8 teaspoon salt
• 2 tablespoons sweet chili sauce
• 3/4 cup whole wheat breadcrumbs
• 4 whole wheat buns