Pecan nuts are rich in antioxidant, vitamin E, protein and made up of more than 70% of healthy monounsaturated fats.Pecan nuts can be used in a variety of ways like tossing in a salad for some crunch, or paired with caramel sauce for any dessert. They can be used as the main ingredient in cupcakes, cookies and cakes for their crunchy texture and buttery flavour.