COOKIES: BEAT margarine at medium speed of electric mixer until light and fluffy. Gradually beat in jelly powder. Mix in egg. Stir in flour and baking powder until well blended.
SHAPE dough into 2 rolls, about 2-1/2-inches in diameter.
WRAP each roll in waxed paper and refrigerate 2 hours or up to 1 month.
HEAT oven to 350°F.
SLICE each roll into 1/4-inch slices. Cut each slice in half to form a semi-circle.
TRANSFER to lightly greased cookie sheet. Press 3 mini chocolate chips into each piece.
BAKE for 8 to 10 min. Cool.
GLAZE: MIX icing sugar and water until smooth. Blend in green food colouring to tint to desired colour.
DIP round edge of each cookie in frosting and place cookie on rack until frosting is firm. Repeat for deeper colour.