Dressed slaw can be refrigerated, covered, for up to two days before serving.
1/2 cup apple cider vinegar
1 Tbsp. whole-grain mustard
1 Tbsp. sugar
1/2 tsp. salt
1/2 tsp. ground black pepper
1/4 cup vegetable oil
1/2 head red or green cabbage, cored and very thinly sliced
1 large Granny Smith apple, cored and cut into matchsticks
1/2 small red onion, very thinly sliced
1 cup pecans, toasted and coarsely chopped
1/2 cup dried cherries or cranberries