The image of a non stick casserole with lid. There isn*t anything special you necessarily need to do to prevent food from sticking to a non-stick casserole dish. Here are some tips for using non-stick cookware in general:

Use low or medium heat.
Use a little oil or butter.expand_more Even though it’s non-stick, a little bit of fat can help prevent sticking, especially when searing food.
Don’t use metal utensils. Metal utensils can scratch the non-stick coating. Use silicone or wooden utensils instead.
Let the pan cool before cleaning. Don’t plunge a hot pan into cold water. This can also damage the coating.exclamation
Here are some additional tips to extend the life of your non-stick cookware