2 c. cooked rice
1 c. Cheddar cheese soup
1/2 - 3/4 c. milk (mix with soup)
2 c. tuna
2 tbsp. butter
3/4 c. corn flakes (crushed)

Grease casserole dish lightly with butter; put ingredients in dish in layers. Preheat oven to 425 degrees. Bake for 15 to 20 minutes.