Preheat oven to 350F and line a baking sheet with parchment paper.

In a large bowl using a hand mixer, cream butter and coconut sugar.

Add in egg and vanilla and beat until creamy. Set aside.

In a medium sized bowl, mix together flour, oats, baking soda, and salt.

Slowly add the dry ingredients to the wet, until all combined.

Stir in mix-ins of choice.

Scoop 1/4 cup dough per cookie, roll into ball, and flatten/press slightly onto baking sheet. Top with more mix-ins if desired.

Bake for 14-16 minutes or until golden brown.

Let cook on wire rack before eating.