Pizzoccheri is a type of thick buckwheat pasta noodle (tagliatelle) that is about 3" long. This pasta comes from Valtellina, Italy where it is typically combined with Swiss chard and potatoes. The dish is topped with Casera cheese and browned butter with garlic and sage.
This may be hard to find in your average grocery store depending on where you live. You can find it online at Amazon.com Annoni: "Pizzoccheri" Pasta
Ingredients may vary per brand:
Durum wheat semolina, whole wheat flour and buckwheat 20%, Durum wheat semolina, water, may contain traces of eggs