Grandma Snyder's Oatmeal Cake

INGREDIENTS

• 1 cup rolled oats
• 1 1/4 cups boiling water
• 1/2 cup butter
• 1 cup white sugar
• 1 cup packed brown sugar
• 2 eggs
• 1 1/3 cups all-purpose flour
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 1 teaspoon ground cinnamon
• 1/2 teaspoon ground nutmeg
• 1 teaspoon vanilla extract
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• 6 tablespoons melted butter
• 1 1/2 cups packed brown sugar
• 3/4 cup evaporated milk
• 1 1/2 cups flaked coconut
• 1 1/2 cups chopped walnuts
• 1 teaspoon vanilla extract