Keep frozen. Heating instructions: Keep frozen until ready to prepare. Toaster Oven/Bake: Preheat oven to 425 degrees F. Bake for approximately 3 minutes per side. Microwave: Place French Toast Sticks on microwave-safe plate. Microwave on high for approximately 1 minute (4 sticks). Microwaves ovens vary greatly, use these instructions as a guide only.