1 (7 oz.) can undrained Tuna fish, flake with fork
1 (10 oz.) can cream of chicken or mushroom soup
1 Tbsp. finely diced onion
1 cup coarsely crushed potato chips
1 cup crushed crackers, not too fine
1 (10 oz.) can peas, juice and all
1/2 cup milk
Dash of finely ground pepper

Mix well in order. Bake in ungreased casserole at 350 F for 35-40 minutes.