In a small bowl, whisk together flour, baking powder, baking soda and salt. Set aside.
In a medium bowl, using an electric mixer, cream together coconut oil and sugars until light and fluffy. Add egg and vanilla and beat until well combined.
Gradually add dry ingredients to wet ingredients, stirring until well blended. Stir in chocolate chips.
Refrigerate dough for 15 minutes (or more), if dough is too soft.
Preheat oven to 350°F. Line cookie sheets with parchment paper.