1 (9 inch) pie shell, baked
1 (12 to 13 oz.) can tuna, flakes
1 (4 oz.) shredded Swiss cheese
1/2 c. chopped onion
3 eggs
1 c. mayonnaise
1/2 c. milk

In large bowl, toss tuna, cheese, and onion. Spoon into pastry. In bowl stir together eggs, mayonnaise, and milk. Slowly pour over tuna pie. Bake at 375 degrees for 50 minutes. Serves 8.