Chocolate Hazelnut Cream Filled Sandwich Oatmeal Cookies

"A small batch of soft and chewy oatmeal cookies that sandwich a smooth and creamy Nutella marshmallow cream! The Oatmeal Nutella Cream Sandwich Cookies are lightly sweetened with coconut sugar and maple syrup to keep them soft. And the Nutella cream is a perfect complement with decadent chocolate and hazelnut flavors!"