Brownies:
Cream butter, shortening and sugar until light and fluffy, add eggs and blend until fully incorporated. Add in cake mix and extract, mix until well blended. spread in a 9 x 13" pan. Sprinkle with chocolate chips and 1/4 C. toasted coconut. Bake in 350 degree oven for 20-25 minuets. Remove from oven and let cool completely before frosting.
Frosting:
Mix butter, lemon juice, extract and powdered sugar, adding sugar in 1 cup at a time until desired consistency is reached. Mix until fluffy. If frosting is too thick add milk 1 tablespoon at a time.
Frost brownies and sprinkle with 1/4 toasted coconut. Cut into bars and enjoy!
To toast coconut:
Spread coconut in a single layer on baking sheet. Place in 350 degree oven watching carefully. When coconut is golden brown remove from oven. Let cool before using.