This is such an important step for using new, single copper molds! To season, fill each mold almost to the top with vegetable oil, leaving about an ⅛” of space. Place on a baking sheet and in the oven. Heat to 300F and bake for 1 hour. Turn the oven off and let the oil and molds cool completely. Empty and wipe the inside and outside of each mold well. Once seasoned, do not clean the molds after use. Simply wipe them down again to remove any excess oil or beeswax coating.