In a bowl, mix cake mix, eggs, extract, 6 starlight mints, crushed and applesauce. A stand mixer works best,. If you don’t have one, an electric hand mixer will work. Batter will be thick.
Drop by Tablespoonfuls onto a greased cookie sheet. Bake 8-10 minutes. Cool on wire racks
Icing
For icing, mix together softened butter, confectioners sugar and 1/8 tsp extract. Frost cookies. Crush remaining 3 Starlight mints and sprinkle on cookies while frosting is still wet.