Ingredients

1 cup sugar 

1 cup water 

1/4 teaspoon whole black peppercorns 

Salt 

6 prune plums, cut into 1-inch pieces 

Seltzer 

Red wine 

Preparation

Bring sugar, water, peppercorns, and a pinch of salt to a boil in a saucepan. Add plums; return to a boil. Let cool. Refrigerate until ready to use (up to 1 week). Serve over ice, topped with seltzer or a combination of seltzer and red wine.