1. Preheat the oven to 350°F and line a baking sheet with parchment paper.
2. Take the chocolate-coated blueberries out of the freezer.
3. In a bowl, whisk the butter and sugar until light and creamy.
4. Add the egg and vanilla extract, mixing well.
5. In a separate bowl, combine the flour, baking powder, baking soda, and a pinch of salt.
6. Gradually add the dry ingredients to the wet mixture, stirring until smooth.
7. Gently fold in the chocolate-coated blueberries.
8. Form dough into small balls and place them on the baking sheet. Flatten each cookie slightly using the back of a fork.
9. Add a few extra chocolate-coated blueberries on top for garnish.
10. Bake for 15 minutes, or until the edges are lightly golden. Allow the cookies to cool on a wire rack before enjoying.
