Flavoring your own booze at home is a fun, whimsical way to push the limits of your favorite bottle. But the technique isn’t limited to steeping and straining. You can also use rich, fatty, or oily ingredients—like peanut butter, dairy, or aromatic oils—to delicious effect, if you know how to harness their powers. To get started, we asked cocktail pioneer Nico de Soto of Mace in New York City and Danico in Paris to simplify some creative techniques for holiday infusions.
