2 tablespoons olive oil
1 cup chopped onion
2 apples, cored and thinly sliced, such as Granny Smith type apples
Two 10-ounce bags shredded red cabbage
1 cup dry red wine
1 cup water
1/2 cup red wine vinegar
1/2 cup brown sugar
1 teaspoon ground cinnamon
1/2 teaspoon salt
1/4 teaspoon ground black pepper
1 small potato, peeled and grated