Heat the flour for safe consumption - place it in a microwave-safe bowl and microwave on high 20-second intervals, stirring between each, until it reaches 165 F. Let cool completely. This step kills any bacteria that may be in the raw flour, so don't skip it!
Soften butter. Combine with light brown sugar and sugar. Mix on medium speed until light and fluffy.
Add the salt, vanilla, and milk. Beat until well mixed.
Add the flour and mix on low speed just until combined.
Stir in the chocolate chips. Chill in the refrigerator for 30 minutes (or freezer for 10). Dough will keep for up to 1 week in the fridge or 1 month in the freezer.
