Soups are easy to prepare and perfect to freeze to have on hand as last-minute dinners. Sweet potatoes are a great root vegetable to make soup from because they're hearty and their flavor pares well with so many other ingredients. This filling stew is great for warming you up on chilly days, and it requires little prep work and hands-on time because it's made in a slow cooker. For a more exotic taste, try this recipe, which features curry powder and a dash of red pepper. Sweet potatoes easily adapt to other flavors, so keep experimenting with spices and ingredients until you find a dish that you and your family really enjoy.