If the dough makes more than enough for just the two of you, freeze half and bake "just a few" now! Save the rest for the next time your sweet tooth hits. With cookies this yummy it shouldn't take long!
Preheat oven to 350 degrees. In a medium sized bowl, whisk together butter, brown sugar, granulated sugar, egg yolk, milk, and vanilla until smooth. Add red food coloring and stir until desired color is reached.2.
Stir in flour, baking soda, cocoa, and salt until combined. Add chocolate chips and stir.3.
Divide dough into 3 or 4 rounded balls, and place on parchment-lined baking sheet. Bake for 10 minutes.