Spoon half the cake batter into 24 paper-lined muffin cups. Top each with about 1-1/2 teaspoon cream cheese mixture and 1 cookie; cover with remaining cake batter.
Bake 19 to 22 minutes or until toothpick inserted in centers comes out clean. Cool 5 minutes; remove from pans to wire racks. Cool completely.
Frost with whipped topping. Top with remaining cookies.