Oatmeal Cake with Coconut Frosting

1 1/2 cups boiling water
1 cup oatmeal
1 cup oil
1 cup sugar
1 cup brown sugar
2 eggs
1 1/2 cups flour
1 tsp vanilla
1/2 tsp baking powder
1 tsp baking soda
1/4 tsp salt
1 tsp cinnamon
Pour boiling water over oatmeal and let it sit for about 20 minutes. Cream oil and sugars and add eggs and vanilla. In separate bowl mix dry ingredients and add to sugar mixture. Stir in oatmeal and water and mix well. Pour into greased 9x13 pan and bake at 325 degrees for 45 minutes

FROSTING:
3/4 cup brown sugar
1 cube butter
3 TBL evaporated milk
1 cup sweetened coconut
Melt butter in saucepan and add milk and sugar. Boil for 3 minutes. Add coconut and spread on hot cake.