Slow Cooker 5-Ingredient Lentil Soup Ingredients * 1 cup raw lentils * 4 cups vegetable broth * 1 can diced tomatoes * 1 onion, chopped * 2 carrots, sliced * Salt & pepper Instructions 1. Add lentils, onion, carrots, broth, and tomatoes to the slow cooker. 2. Stir, cover, and cook LOW 6–8 hrs until lentils are tender. 3. Season with salt and pepper, stir, and serve hot. | Tasty Recipes