Preheat oven to 350 degrees. Spread flour onto baking sheet and bake 5 minutes. This kills off any bacteria in the raw flour so you can eat the raw cookie dough safely.
In a large bowl, cream butter and sugars together until light and fluffy. Add in vanilla and mix again briefly. Pour in toasted flour and as your incorporating, slowly stream in milk. a cookie dough should form.
Scrape sides well and stir in mini chocolate chips in by hand. Spoon into serving bowl and top with more chocolate chips.