Cook pasta as package directs.
Meanwhile, toast pine nuts in a large, dry frying pan over medium heat; set aside. Add oil to pan, then add garlic and chile flakes. Cook, stirring, until fragrant, 1 minute. Add currants, the greens with water clinging to them, and salt. Cover; cook until greens are tender, about 5 minutes. Stir in drained pasta and reserved nuts. Serve with cheese.
Note: Nutritional analysis is per serving.