Combine oatmeal and water. Microwave ... uncovered, 3 to 4 minutes. Stir several times until thickened. Cool slightly and spread on warm or cooled cake.
Combine cracker crumbs, sugar and ... in center. Let cake stand 15 minutes. Reset oven ... Spread topping over top of cake. Return to oven ... set. Cool and refrigerate.
Preheat oven to 300 degrees. Reserve 1 cup dry cake mix. In large mixing bowl ... firm. When cool, top with pie filling; chill before ... pans for 40-45 minutes.