Reheating waffles in the toaster is the fastest way to reheat them. It also ensures nice waffles that are crispy on the outside and soft on the inside. In addition, you can put them directly from the freezer. As long as the waffles aren't too thick for the toaster slots, this is the best way to reheat the waffles.
It is possible to reheat waffles in the oven, and this method is suitable for those who plan to heat a few waffles at the same time.