Cream together the softened unsalted butter, granulated sugar, and light brown sugar until light and fluffy.

Incorporate the egg and vanilla extract, mixing until well combined.

Whisk together the flour, salt, baking soda, and baking powder in a separate bowl.

Gradually mix the dry ingredients into the wet mixture until combined.

Fold in the semi-sweet chocolate chips until evenly distributed.

Chill the dough in the refrigerator for at least 1-2 hours or overnight.

Preheat the oven to 350°F (175°C).

Line a baking sheet with parchment paper.

Drop cookie dough balls onto the baking sheet, spacing 2-3 inches apart.

Bake for 12-13 minutes until the edges are golden and the centers are soft.