1/2 cup butter, 1/2 cup sugar, 1/2 brown sugar, 1 egg, 1/3 cup peanut butter, 1/2 teaspoon soda, 1/4 teaspoon salt, 1/2 teaspoon vanilla, 1 cup flour, 1 cup quick cooking rolled oats. 1 cup (6 oz. package) semi sweet chocolate chips Icing: 1/2 cup powered sugar, 2 to 4 tablespoons milk, 1/4 cup peanut butter |