Conventional Oven
Place slices of Polenta (1/2-3/4 inch thick) onto a lightly oiled baking sheet. Bake at 350 degrees F for 15-20 minutes
Microwave
Place slices of Polenta onto a microwave safe container. Heat for 30-60 seconds or until hot.
Pan Fry
In a non stick skillet, fry slices of polenta (1/2 inch thick) in butter or olive oil on medium low heat. Cook on both sides until desired crispness is achieved.