This chocolate chip cookie in a mug recipe has been one of PureWow ... so make sure you let the melted butter and sugar cool for a bit before adding in the egg. (You’ll also want to err ...

Step 2: Brew the espresso and combine with the syrup Add 2 tablespoons of the cooled sugar cookie syrup to a large mug. Brew your espresso and pour it over the syrup. Stir to combine. Editor’s ...