Amish Rolled Oats Cake

1 cup oats
1 1/4 cups boiling water
1/2 cup shortening
1 cup granulated sugar
1 cup brown sugar
2 eggs
1 teaspoon vanilla extract
1 1/2 cups flour
1 teaspoon baking soda
1/2 teaspoon baking powder
1 teaspoon cinnamon
1/2 teaspoon nutmeg

Topping (use on warm cake):
5 tablespoons margarine
1/2 cup brown sugar
1/2 cup milk
1/2 cup coconut
1/2 cup chopped nuts

Mix oats and boiling water; let stand 20 minutes.

Cream together shortening, sugar, eggs, vanilla and add cooled oats with dry ingredients. Bake at 350 degrees for 35 minutes.