Preserving summer fruit in alcohol is very traditional in France, and a very common practice. Our friend Lolo, whose grandmother preserved cherries in marc de bourgogne (a strong grape-based digestif from our region), passed on her best tips: First, the fruit absorbs the alcohol best if you pierce each cherry with a needle a few times before adding it to the jar. (The method ensures that the cherries don’t ferment.) She also always left the stems on each cherry, to m