Preheat the oven to 350°F (175°C) and line a small baking tray with parchment paper.
Spread the all-purpose flour evenly onto the prepared baking tray.
Bake the flour for 5 minutes to heat-treat it, then let it cool completely before using.
In a mixing bowl, combine the softened butter, cooled heat-treated flour, and vanilla extract.
Beat until smooth.
Add the granulated sugar and salt. Beat until well combined.
Pour in the milk and mix until smooth and creamy.
Fold in the mini chocolate chips until evenly distributed.
Stir gently with a rubber spatula until the cookie dough is soft and well combined. Transfer the edible cookie dough to a serving bowl.
Serve immediately or Garnish with extra mini chocolate chips and pretzels, if desired.