For the casserole
01 -
2 lb (900 g) prepared mashed potatoes, warmed
02 -
4 cups (560 g) frozen or canned corn, thawed and drained
03 -
1 1/2 lb (680 g) frozen popcorn chicken or chicken nuggets
04 -
2 cups (225 g) shredded cheddar cheese
05 -
1 tablespoon butter or cooking spray, for the dish
For finishing
06 -
18 oz (510 g) chicken gravy or brown gravy, warmed
07 -
Salt and black pepper, to taste
08 -
2 tablespoons sliced green onions, optional