Simple Black Bean Burger

This recipe is for simple black bean burgers made with only 8 ingredients and can be ready in about 30 minutes. They are vegan, oil-free, and can be made gluten-free. The burgers are flavorful, firm, and moist, with a hint of smokiness and spiciness from chipotle chile powder. They can be baked in the oven or air-fried, and are easy to freeze for later consumption.