Roll dough into balls, about a tablespoon each, and place 1-2" apart on a lined baking sheet.
Bake for 7 minutes, until just slightly golden but not fully browned. They will look puffy and slightly underbaked. Allow the cookies to cool for about 5 minutes on the baking sheet, then move to a wire rack to cool completely.
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Notes
Instead of just melting the butter, you could brown the butter. Because browned butter is heated for longer, past the melted stage, you will want to start with a little bit more butter because more will evaporate off.If you use another brand of Kosher salt, reduce the salt measurement slightly. If you use table salt instead of Kosher salt, reduce the salt measurement to ½ teaspoon.The dough will be very soft when it's first combined. Letting it sit for about 10 minutes before forming the balls of dough will allow it to stiffen and make it easier to form dough balls.While the cookies are still hot, use the open top of a glass or a round cookie cutter and scoot each cookie around in a circle for perfectly round and crinkly cookies.