Tuna Cheese Pie
["1 (9-inch) pie shell, baked or crumble saltines in bottom of pie plate", "1 can tuna", "1 c. (4 oz.) shredded Swiss or American 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 pie shell.", "In bowl, stir together eggs, mayonnaise and milk.", "Slowly pour over tuna mixture.", "Bake at 375\u00b0 for 50 minutes or until knife inserted in the center comes out clean."]
["pie shell", "tuna", "Swiss", "onion", "eggs", "mayonnaise", "milk"]