HEAT oven to 350ºF. Prepare brownie batter as directed on package. Spoon into 12 paper-lined muffin cups.
BEAT cream cheese, peanut butter and sugar with mixer until blended. Spoon 1 rounded Tbsp. into centre of batter in each cup, pressing down slightly into batter. Bake 25 min. or until centres are set. Cool.
SERVE topped with Cool Whip and cherries.
serving size = 1 brownie (58 g)