Peanut Butter Oatmeal Sandwich Cookies

Bahan-bahan (29 porsi)

• 1/2 cup butter (softened (1 stick))
• 1/2 cup butter-flavored shortening*
• 1 cup dark brown sugar (or light )
• 3/4 cup granulated sugar
• 1 cup creamy peanut butter
• 2 large eggs
• 1 teaspoon vanilla
• 1 & 1/2 cups flour (spooned and leveled)
• 2 teaspoons baking soda
• 1 teaspoon kosher salt
• 1 cup quick oats**
• 1/2 cup old fashioned oats**
• 4 tablespoons butter
• 1/2 cup creamy peanut butter
• 1 cup powdered sugar
• 2 tablespoons milk (OR cream plus more)
• 1 teaspoon vanilla