Vegan Sweet Potato Lentil Soup (8 ingredients and Oil-free!)

This vegan sweet potato lentil soup is smoky, hearty, and delicious with just 8 ingredients. It's vegan, gluten-free, oil-free, and ready in less than an hour. The sweet potatoes add a touch of sweetness to balance out the flavors. Just throw everything into a pot and let it cook for a comforting and flavorful meal.