lazy daisy oatmeal cake

Ingredients

• 1 1/4 c - boiling water
• 1 c - oatmeal, uncooked
• 1/2 c - butter, softened
• 1 c - sugar
• 1 c - packed brown sugar
• 1 tsp - vanilla extract
• 1 1/2 c - all purpose flour
• 1 tsp - baking soda
• 1/2 tsp - salt
• 3/4 tsp - cinnamon, ground
• 1/4 tsp - nutmeg
• 1/2 c - raisins, optional
• 2 - eggs
• FROSTING
• 1/4 c - butter, softened
• 1/2 c - brown sugar, lightly packed
• 3 tbsp - whole milk
• 1/3 c - chopped walnuts
• 3/4 c - shredded coconut