* Exported from MasterCook * Scalloped Potato and Tuna Casserole Recipe By : Serving Size : 6 Preparation Time :0:00 Categories : Vegetables Casseroles Fish Amount Measure Ingredient -- Preparation Method -------- ------------ -------------------------------- 4 Cups Potatoes -- pared & sliced thin 3 Tablespoons Butter 1/4 Cup Flour 2 Tablespoons Mustard -- prepared 2 Cups Milk 1 Teaspoon Salt -- to taste 1/8 Teaspoon Pepper -- to taste 1 Can Tuna -- 7 oz, use 2 cans for a - dish 1 Cup Onions -- peel and slice thin Cook potatoes in boiling salted water 10 minutes. Drain. Meanwhile melt butter in top of a double boiler over direct heat. Stir in flour, then mustard. Add milk, salt and pepper to taste, and stir over boiling water until smooth and thickened. Arrange the sliced potatoes, tuna and onions in alternate layers in a greased 2 quart casserole. Pour sauce over all, and bake in a moderate oven 350 degrees F for 45 minutes. Makes 6 Servings. You can also use a 2nd can of tuna to make a richer dish. Or you can substitute a can of salmon instead of the tuna. - - - - - - - - - - - - - - - - - -