Beat first 7 ingredients with mixer until blended. Scoop into 32 mounds, 3 inches apart, on baking sheet sprayed with cooking spray, using about 2 Tbsp. for each.
Bake 12 to 14 min. or until toothpick inserted in centers comes out clean. Cool on baking sheet 2 min.
Remove to wire racks; cool completely.
Beat cream cheese, marshmallow creme, ginger and cinnamon in large bowl with mixer until blended.
Whisk in COOL WHIP.
Spread 3 Tbsp. onto flat side of 1 cake; top with second cake, flat side down.
Roll edge in sprinkles. Repeat with remaining cakes. Keep refrigerated.