Quick Black Bean Burgers with Pantry Staples

Ingredients

• 1 can (15 ounces) black beans, drained and mashed
• 1/4 cup plain breadcrumbs
• 1 large egg or 1 flax egg (1 tablespoon ground flaxseed mixed with 2.5 tablespoons water, rested 5 minutes)
• 1/2 teaspoon ground cumin
• 1/4 teaspoon onion powder
• 2 hamburger buns