HEAT oven to 375ºF.
PRESS 1 pepperoni slice onto bottom and up side of each of 12 mini muffin pan cups.
MIX cheese and seasonings in small bowl. Add chicken, 1 piece at a time, to cheese mixture; turn until evenly coated. Place in pepperoni cups.
BAKE 13 to 15 min. or until chicken is done (165ºF).