Oreo birthday cake flavoured creme chocolate sandwich cookies are grabbable, snack able, and forever dunkable. If you long for the classic taste of childhood, they? Re just waiting to tease your taste buds. Twist? Em, dunk? Em, share? Em, or enjoy them all on your own. Milk? S favourite cookie. Oreo birthday cake flavoured creme chocolate sandwich cookies are grabbable, snack able, and forever dunkable. If you long for the classic taste of childhood, they? Re just waiting to tease your taste buds. Twist? Em, dunk? Em, share? Em, or enjoy them all on your own.