1/4 cup good olive oil
1 medium Spanish onion, chopped
3 cloves of garlic, diced
1/2 teaspoon crushed red pepper flakes
1 1/2 teaspoons dried oregano
1 cup vodka
2 (28-ounce) cans peeled plum tomatoes
Kosher salt
Freshly ground black pepper
3/4 pound penne pasta
4 tablespoons fresh oregano
3/4 to 1 cup heavy cream
Grated Parmesan cheese