Heat oven to 350°F. Place about 28 small foil bake cups (2-inch diameter) on cookie sheet.
Follow package directions to prepare the brownie batter. Fill bake cups 1/2 full with batter.
Bake 12 to 15 minutes or until set. Cool on cookie sheet.
Combine frosting and food color. Set aside 6 brownies to use for tree trunk; frost remaining brownies. Arrange frosted brownies on large try in a tree shape. Place the unfrosted brownies at base of tree for the trunk. decorate tree by placing one foil-wrapped chocolate on each frosted brownie. Remove wrappers from 6 chocolates. Place a small amount of frosting in center of unfrosted brownies; place an unwrapped chocolate piece over frosting. About 28 brownie cups.