YIELD: 4 to 6 servings | PREP TIME: 10 minutes | STOVETOP: 20 minutes | SLOW COOKER: 8 to 10 hours • 1 tablespoon light olive oil or avocado oil • 1 medium head cabbage (about 2 pounds), chopped • 1 large onion, diced • 1 teaspoon salt • 2 tablespoons tomato paste • 1...
