If using the optional liquor, some good combinations include brandy with cherries, bourbon with peaches, dark rum with mango, and kirsch with strawberries.
Place one of the following in a medium bowl:
Sprinkle over the fruit:
Allow the fruit to sit at room temperature, stirring occasionally, until it softens slightly and a light syrup collects in the bottom of the bowl, 30 to 45 minutes. Store refrigerated.