The trick when reheating this vegan chickpea recipe is to avoid overcooking the ingredients the second time around as that will turn them into a crunchy mess. One method is reheat them in the oven by placing them in a sprayed or oiled pan. Cover with a lid or foil. Using a lid will create moisture in the pan and keep everything from drying out. Heat at 350° F for 15 minutes. Another method to use is to heat everything up in the microwave. Last, instead of reheating, how about transforming the leftover bbq chickpeas sheet pan dinner into a salad or bowl. It works great to eat warm or cold!