Tuna Casserole

Make a white sauce of 2 tablespoons butter, 2 tablespoons flour and 2 cups milk. To this sauce, add 1 can mushroom soup, 1 can tuna, and salt and pepper to taste. Combine the above mixture with 1/2 package noodles, cooked until tender. Bake in a buttered baking dish at 350 degrees for 30 minutes.