Preheat oven to 350 degrees. Prepare an 8x8 pan with baking spray.
Start by boiling the water. In a medium sized bowl, combine the oats and water together. Cover with wrap or foil and set aside.
In a large bowl, combine the sugar, brown sugar, flour, salt, baking soda, egg and butter. Stir in the oatmeal.
Pour into the prepared pan and bake for 25-30 minutes, until a toothpick comes out clean.
Prepare the frosting:
Cream the butter in a medium sized bowl. Mix in the remaining ingredients.
When the cake is done baking, carefully spread the frosting over the top. Put back into the oven under a broiler for 1-2 minutes, until the coconut is toasted.
Cool completely if you want clean slices, or serve warm if you can’t wait.
Notes
12 SmartPoints per serving on the WW FreeStyle Plan