Slow-Cooker Split Pea Soup

In a 5- to 6-quart slow cooker combine vegetable broth and 3 cups of water. Add the next seven ingredients (through red pepper flakes); mix well. Cover and cook on low 8 to 10 hours (or high 4 to 5 hours). Stir in vinegar. Season with salt and black pepper. Prep-time: 10 MINUTES / Ready In: 1 HOUR Makes 6 cups Serving size: ⅙ of recipe