Dry Ingredients:

• 2 cups old-fashioned rolled oats
• 2 cups all-purpose flour
• 1 tablespoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 2 teaspoons cinnamon
• 1/2 teaspoon ground nutmeg

Wet Ingredients:

• 1 cup (2 sticks) butter, softened
• 1 cup light brown sugar
• 1/2 cup sugar
• 2 large eggs
• 1 teaspoon vanilla extract

Glaze:

• 2 cups confectioners sugar
• 3 tablespoons milk