Mix crumbs with butter and ... in dish. Spread blueberries filling on top of this. ... with rest of graham cracker crumbs. Chill 4 hours before serving.
Combine cornstarch, sugar, water and blueberries in saucepan. Cook over medium ... thickened; cool. Combine cracker crumbs and butter; press half ... squares. Yield: 15 servings.