"Marbleous" Peanut Butter Squares Recipe - BettyCrocker.com

Ingredients

• 1/2 cup granulated sugar
• 1/2 cup packed brown sugar
• 1/2 cup butter or margarine, softened
• 1/3 cup peanut butter
• 1 egg
• 1 cup Gold Medal™ all-purpose flour
• 1 cup old-fashioned oats
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• 3 tablespoons unsweetened baking cocoa
• 1 tablespoon milk
• 1 1/2 cups powdered sugar
• 1/4 cup crunchy peanut butter
• 2 to 2 1/2 tablespoons milk