Summer Berry Crumb Bars

Heat oven to 375°F.

Line 13x9-inch pan with foil, with ends of foil extending over sides; spray with cooking spray. Chop 4 cookies; reserve for later use.

Place remaining cookies in large resealable plastic bag; crush with rolling pin.

Combine flour, baking powder and 1/3 cup sugar in large bowl; stir in crushed cookies. Cut in butter with pastry blender or 2 knives until mixture resembles coarse crumbs. Add egg; mix well.

Reserve 3/4 cup dough for later use. Press remaining dough onto bottom of prepared pan.

Combine cornstarch and remaining sugar in large bowl. Add berries; mix lightly. Spoon over crust.

Add reserved chopped cookies to reserved dough; mix well. Crumble over dessert.

Bake 35 min. or until fruit mixture is bubbling around the edges and topping is golden brown. Cool completely.

Refrigerate 1 hour or until firm. Use foil handles to remove dessert from pan before cutting into bars.