Heat oven to 375°F Line cookie sheet with parchment paper.
Melt the butter gently in microwave and let cool a bit.
Pour butter into mixer and beat with sugars 2 mins.
Add eggs, milk, vanilla and combine.
Add dry ingredients.
Add chips evenly and chill dough at least 1 hour.
Scoop the dough into 4 ounce portions and place on the sheets,
Bake 15 mins (3rd rack up from the bottom in oven so the bottoms don't get too dark) and top with a few mini chips, if desired.