In a stand mixer with a paddle attachment:
Until light and fluffy.
sweetened condensed milk
Mix on high for 5 minutes, scraping down the sides.
In a bowl, whisk:
With the mixer on low speed, begin adding the dry ingredients to the wet in batches.
Turn speed to medium and mix well.
Refrigerate dough for 1 hour
Line 2 baking sheet pans with parchment paper.
Use a 1 3/4" cookie scoop, allowing quite a bit of space between them, because these cookies will spread, bake the cookies at 350 degrees for 15 - 18 minutes.
Cool 5 minutes on the baking sheet pan.
Transfer to cooling racks to cool completely.
Peace in the Kitchen!