Oatmeal Cake

• 2 1/2 cups water
• 2 cups quick cook oats, uncooked
• 2 2/3 cup all purpose flour
• 1 tbsp + 1 tsp ground cinnamon
• 1 teaspoon fine sea salt
• 1/2 tsp nutmeg
• 2 teaspoon baking soda
• 1 cup unsalted butter, room temperature
• 1 cup Domino® Granulated Sugar
• 1 cup Domino® Light Brown Sugar, packed
• 1 tbsp vanilla extract
• 3 large eggs, room temperature
• 1/4 cup full-fat sour cream, room temperature

Vanilla Filling

• 2 1/2 cups unsalted butter, room temperature
• 4 cups powdered sugar
• 2 tbsp heavy cream
• 2 tsp vanilla extract
• 1 tsp vanilla bean paste

Glaze

• 1 cup white chocolate chips
• 1/4 cup + 3 tbsp heavy cream
• white food coloring, optional
• oatmeal cream pie cookies, for decorating