Samosas are healthy little pastry pockets of potato and peas flavored with Indian spices. However, this recipe adds a few ingredients from Chinese cuisine. You can also add some diced carrots and tofu for a samosa that is packed with flavors. Chopped cilantro would be good in this dish as well. Also, a good teaspoon of lemon juice or orange juice will create a wonderful flavor fin these purple yam samosas.