In a 12x7-1/2x2-inch (2-quart rectangular) baking dish, combine apples and the 2 cups cranberries. Mix granulated sugar and the 2 tablespoons flour; toss with fruit.
In bowl, combine oatmeal, the 3/4 cup pecans, the 1/2 cup flour, and the brown sugar. Stir in butter. Spoon over fruit mixture in casserole.
Bake, uncovered, in a 350 degree F oven for 45 minutes. Garnish with additional cranberries and additional pecans, if you like. Serve at breakfast, topped with cream or over vanilla ice cream. Makes 8 servings.