Cinnamon Frosted Zucchini Squares

1 3/4 cup flour
1 1/2 tsp baking powder
3/4 c butter
1/2 c sugar
1/2 c packed brown sugar
2 eggs
1 tsp vanilla
2 c shredded zucchini
1 c coconut
3/4 c chopped walnuts
1 recipe cinnamon frosting

In a small bowl stir together flour and baking powder. In a large bowl beat butter with mixer for 30 seconds. Add sugars; beat till fluffy. Add eggs and vanilla. Beat well. Stir in flour mixture. Stir in zucchini, coconut, and nuts. Spread evenly in greased 9x13 inch pan. Bake in 350° oven about 30 minutes or until a toothpick inserted near center comes out clean. Cool completely in pan on a wire rack. Drizzle with cinnamon frosting. Cut into bars.

Cinnamon Frosting

2 c sifted powdered sugar
2 tbsp milk
2tbsp butter, melted
1 tsp ground cinnamon
1 teaspoon vanilla

Combine all ingredients in large bowl. Beat until smooth.