01 -
Turn your oven on to 400°F (200°C) and let it heat up.
02 -
Set frozen tenders out for a few minutes so you can slice them up more easily, if needed.
03 -
Spoon the mashed potatoes evenly onto the bottom of a 9 x 13-inch dish. If they’re cold, warm them first for easier spreading.
04 -
Spread the corn evenly over the potatoes, then sprinkle the shredded cheddar cheese on top.
05 -
Cut the tenders into bite-sized pieces and place them evenly over the top of the casserole.
06 -
Bake without covering it. If your chicken tenders are frozen, leave it in for 20 minutes. For homemade tenders, check it after 15 minutes.
07 -
While it’s baking, warm the gravy on the stovetop. Follow the directions on the package or use your favorite way to prepare it.
08 -
Pour the warm gravy over the casserole once it’s done, then serve right away.