Spaghettini with Vodka Arrabiata Sauce

INGREDIENTS
1 cup vodka
1 tsp red pepper flakes
1 cup prosciutto, chopped
3 cloves garlic, minced
1/2 cup fresh basil, chopped
1 can roma tomatoes (san marzano), crushed
2 tbsps tomato paste
1 cup half & half
spaghettini, al dente (reserve 1/4 cup pasta water)
1 cup grated parmigiano-reggiano
extra virgin olive oil
kosher salt to taste
fresh ground pepper to taste

DIRECTIONS
Combine vodka and red pepper flakes, set aside. Saute onions in olive oil until translucent. Add garlic and prosciutto until the prosciutto turns brown. Add vodka and red pepper mixture and simmer for 5 minutes. Fold in tomatoes and tomato paste. Simmer for about 20 minutes, stirring occasionally. Add pasta water if the sauce is too thick. Add basil and simmer for 2 minutes. Add cream and simmer for an additional 2 minutes. Stir in parmigiano-reggiano. Serve on spaghettini. Garnish with more grated cheese or fresh basil.