Instructions

• Cook penne in well-salted water until just shy of al dente; reserve 1 cup pasta water.
  
• Heat oil in a skillet, cook garlic and red pepper flakes briefly,
  
• Add crushed tomatoes and simmer 10 minutes.
  
• Add vodka and simmer 2 minutes.
  
• Lower heat and stir in cream, Parmesan, butter, and salt.
  
• Add pasta and toss until glossy and fully tender, loosening with pasta water as needed.
  
• Finish with basil.