Put a small plate or saucer in the freezer. In a food processor, working in batches, process the cherries just until finely chopped. Transfer the cherries to a large, heavy pot. Stir in the pectin and ...

In a bowl, combine the sour cream, lemon juice, and pepper. Arrange the chips in one layer on a platter or baking sheet. Dollop the sour cream mixture evenly over the chips, followed by the relish.