Peanut Butter Oatmeal Bars

Bahan-bahan (9 porsi)

• 1 cup rolled oats
• ¾ cup creamy peanut butter
• ½ cup brown sugar
• 1 cup whole wheat flour (or all purpose flour)
• 1 teaspoon baking soda
• ¼ teaspoon salt
• ½ cup milk
• 1 teaspoon vanilla extract
• ⅓ cup chocolate chips