Read more: 41 Must Try Hot Sandwich Recipes The truth about Italian food, including both penne rigate and mostaccioli, is that it's vastly different across the country's different regions.

Add the reserved sprout leaves, cover and remove from the heat. Meanwhile, in a large pot of boiling, salted water, cook the penne until al dente. Drain, reserving 3/4 cup of the pasta water.