PREHEAT oven to 350°F. Mix oats, flour, sugar and baking powder in large bowl. Cut in butter with pastry blender or 2 knives until mixture resembles coarse crumbs.
PRESS 2/3 of the oat mixture firmly onto bottom of 9-inch square baking dish; top with Brandied Cranberry Sauce. Sprinkle with remaining oat mixture.
BAKE 30 minutes or until topping is lightly browned. Cool completely on wire rack. Cut into 24 squares to serve.