1. Heat oven to 350°F. Place 2-inch foil bake cups on cookie sheet; set aside.
2. Stir together sugar and cocoa in large bowl; add shortening. Stir with spoon until well blended. Add eggs, one at a time, stirring well after each addition. Add flour, vanilla and salt; stir until well blended. Stir in peanut butter chips and nuts, if desired. Spoon equal amount of batter into each bake cup.
3. Bake 13 to 15 minutes or until set. Cool completely. Prepare FROSTING; frost brownie cups with orange frosting. Place green and chocolate frosting in separate reclosable sandwich bags; seal. Snip off pinpoint corner of each bag. To decorate, squeeze out green frosting for stems and chocolate frosting for faces. Makes 2 dozen brownie cups.
4-1/2 cups powdered sugar
1/2 cup butter flavor shortening
1/4 cup milk
1-1/2 teaspoons vanilla extract
1/2 teaspoon salt
1-1/2 teaspoons HERSHEY'S Cocoa
Green, yellow and red food color
Stir together powdered sugar, shortening, milk, vanilla and salt in large bowl. Beat on medium speed of mixer 3 minutes. Beat on high speed 5 minutes. Add additional powdered sugar to thicken or milk to thin, as needed. Remove 1 cup frosting; divide. Stir cocoa into 1/2 cup frosting. Tint other 1/2 cup with green color. Add 6 drops yellow food color and 4 drops red food color to remaining frosting in bowl to tint orange.