Old Fashioned Iced Oatmeal Cookies

Bahan-bahan (24 porsi)

• 2 cups old fashioned rolled oats
• 2 cups all-purpose flour*
• 1 tablespoon baking powder
• ½ teaspoon baking soda
• ¼ teaspoon kosher salt
• 2 teaspoons cinnamon
• ½ teaspoon ground nutmeg
• 1 cup butter (softened)
• 1 cup light brown sugar
• ½ cup white sugar
• 2 eggs
• 2 teaspoons vanilla extract
• 1⅓ cups brown rice flour
• ½ cup potato starch
• ⅓ cup tapioca starch
• ½ cup rolled oats (additional for GF version )
• 2 cups powdered sugar
• 3 -4 tablespoons milk