A healthy fat-free and vegan recipe for curried split pea and potato soup with carrots and celery. No fat is added (or needed) in this vegetarian and vegan split pea soup recipe, as there are lots of spices for flavor, including curry, oregano, and garlic. It's oil-free, with no vegan margarine or butter needed. With just 353 calories per serving and with each serving providing a whopping 21 grams of protein, this is a healthy low-fat and high-protein vegetarian and vegan split-pea soup recipe. Just be sure to watch the serving sizes so that you don't eat more than you intended to since this green split pea soup is absolutely delicious.