Easy Vegan and Gluten-Free Thumbprint Cookies Filled with Apple Butter

These easy thumbprint cookies filled with apple butter are a healthy vegan and gluten-free twist on the classic thumbprint cookie. Thumbprint cookies are one of those staple cookies that are perfect for any occasion. They're one of my favorite cookies because of how customizable they are. You can fill them with any filling of choice which makes them a great option for events and holidays! These apple butter thumbprint cookies were inspired by...