Enchiladas freeze great. You can freeze the baked or unbaked. Unbaked: Cover them so they are air tight. Wrap in plastic wrap and foil. Place in freezer for up to two months. Thaw overnight in the fridge and then bake as directed. Baked: Cover so they are airtight. Place in freezer for up to 2 months and then thaw in fridge overnight. Bake in a 350 degree F oven until heated through or place in microwave.