peanut butter frosted oatmeal bars

Ingredients

• 1/2 cup butter, softened
• 1/2 cup white sugar
• 1/2 cup brown sugar, packed
• 1 - egg
• 1/3 cup peanut butter
• 1/2 teaspoon vanilla extract
• 1 cup all purpose flour
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• 1 cup oats
• 1 cup chocolate chips
• 2 cups powdered sugar
• 4 ounces cream cheese, softened
• 1/2 cup peanut butter
• 3-4 tablespoons milk