You have several options for heating this dip; microwave, stovetop, or oven. To microwave, transfer the dip to a microwave-safe bowl and cook for 30 seconds then stir; repeat until heated through. To heat it on the stovetop, add the dip to a saucepan and cook over medium-low heat until hot, stirring frequently. To bake the dip, heat your oven to 350 degrees and cook for approximately 20-30 minutes.