I always use Kosher salt in my kitchen! If using table salt, start with half the amount and adjust to taste, as it is much "saltier" by volume.
Instructions
Preheat an oven to 350°F and line a baking sheet with parchment paper.
In a mixer fitter with a paddle, cream together the butter and ½ cup of powdered sugar, and salt. Cream until the butter is light and fluffy, this should take a few minutes. Mix in the vanilla.
Mix in the flour and mini chocolate chips. Mix until fully combined. The mixture will start off crumbly, keep mixing and it will come together.
Scoop the cookie dough out with a .5-ounce portion scoop, or a heaping tablespoon, and place on the prepared baking sheet. Bake for 12-13 minutes.
Let the cookies cool for about 5 minutes, or just enough to handle, roll each cookie in the remaining powdered sugar and place on a cooling rack.
Once the cookies have cooled completely, roll them a second time in the powdered sugar. Enjoy!
Notes
You can place the cookies really close together on the baking sheet since they do not spread during baking.
Rolling the cookies in powdered sugar while still warm creates a thin, icing like coating around the cookie. A second roll after they've completely cooled gives them their classic snowball look.