These super easy 3 ingredients Peanut Butter Banana Oatmeal Cookies are delicious and healthy Breakfast Cookies or Healthy Snacks. Made with 3 ingredients only, these soft and chewy cookies are super quick and easy to prepare with no eggs, no sugar and no flour. These kid-friendly and toddler-friendly Oatmeal Peanut Butter Cookies with Banana are also vegan and gluten-free friendly.