1/3 c. Minute Rice, cooked
Bread crumbs
Butter
1 lg. can tuna
1 tbsp. chopped onion
1 can cream of mushroom soup

Shred tuna. Mix all ingredients together except crumbs and butter topping. Pour into a greased casserole dish. Top with crumbs and butter. Bake for 20 to 25 minutes in a 375 degree oven.