Easy Cabbage Slaw Ingredients 1 small head of green or red cabbage (about 2 pounds) 1 1/2 teaspoons kosher salt, plus more for seasoning 1/4 medium red onion, finely chopped 1/4 cup cider vinegar 1/4 cup mayonnaise 1/4 cup sour cream 1 teaspoon Dijon mustard 1 teaspoon granulated sugar 1/2 teaspoon caraway or celery