1 unbaked 9-inch pie crust
2 eggs
1 (10 1/2 oz.) can Tuna
1 cup shredded Cheddar cheese
1 can Durkee fried onion rings
1 cup plain yogurt or sour cream

Beat eggs. Add remaining ingredients, except crust. Mix together. Spread into pie crust. Bake uncovered for 45 minutes to 1 hour at 350 F.