Baking instructions: Oven: Cook from frozen. Keep Stromboli in clear outer wrapping to bake. Bake in preheated oven at 400 degrees F for 32-37 minutes. Bake in preheated oven at 400 degrees F for 12-15 minutes.Click to see full answer. Thereof, how do you reheat frozen Stromboli?When ready to use, simply reheat in a 350 degree F. oven for 30 to 40 minutes, or until warmed through. If you know you are going to use the stromboli, take it out of the freezer and let it defrost in refrigerator for a few hours.Additionally, how long do you cook digiorno Stromboli? Remove Stromboli from carton and freshness overwrap, insert into crisping sleeve, and place on microwave safe plate. Cook 1 Stromboli for 3 minutes. Product will be hot! Let stand 2 minutes to cool before enjoying. Additionally, can you freeze uncooked Stromboli? Freezer Meal Instructions: Wrap each Stromboli in foil and place in freezer bag or airtight container for up to 3 months. *Freeze before baking. To Prepare: When ready to eat, thaw for 24-48 hours in the fridge.How do you keep a stromboli from getting soggy?DO NOT put any sauce on the stromboli! This is very important as traditionally the sauce is served on the side on purpose, to keep the stromboli from becoming soggy while baking. You can dip all you want afterwards, but no sauce inside the stromboli.