Place the 1/2 cup coconut and powdered sugar in food processor bowl. Cover and process until coconut is finely chopped. Transfer mixture to shallow dish; set aside.
For truffles, place walnuts, dates, raisins, cranberries, the 1/3 cup coconut, the cocoa powder, and cinnamon in the food processor bowl. Cover and process or blend until finely chopped, stopping to scrape down sides as necessary.
Add peanut butter. Cover and process until mixture is moist enough to form a ball.
Using hands, shape the mixture into 1-inch balls. Dredge or roll the balls in coconut mixture, gently patting the mixture onto sides of balls. Transfer to storage container. Cover; store at room temperature up to 7 days. Makes 30 truffles.