Preheat oven to 350F. Line 2 baking sheets with parchment paper.

In the bowl of a stand mixer with a paddle attachment, cream butter and sugar together and beat until light and fluffy. Add salt, egg, and vanilla. Gradually add in flour and beat until just combined. Fold in pecans and chocolate chips.

Roll dough into 1-inch balls and place on baking sheet with 2 inches in between each ball. Bake for 15 minutes or until the bottoms are golden brown. Remove from oven and cool 2 minutes.

Put a good amount of powdered sugar on a large plate. Roll warm cookies in the powdered sugar and place on a wire rack to cool completely.