You've got options! You can reheat them on the grill, in a fry pan, or in the microwave. Just make sure they are heated all the way through.u003cbr/u003eu003cbr/u003eFrom frozen, these Smoky and Spicy Black Bean Burgers will reheat over medium heat in a frying pan with oil after about 3 minutes on each side. It takes about the same amount of time on the grill.u003cbr/u003eu003cbr/u003eTo use the microwave, wrap the patty in a paper towel and microwave on high for 3 and 1/2 minutes. Easy peasy!