1. in small bowl ,cream butter and confectioners sugar until light and fluffy .Beat in extract. Combine Flour and cornstarch, gradually add to creamed mixture and mix well
2. shape into 1 inch balls, place 2inch apart, on ungreased baking sheets bake at 350' for 10-12 minutes or until bottoms are lightly browned. Remove to wire racks .
3. In a small bowl , beat butter until fluffy ,add the confectioners sugar , milk and extract ( and food coloring optional ) . Beat until smooth spread over cooled cookies , sprinkle with crushed candies , store in air tight container for freshness