Ingredients:

• 12 ounces fettuccine pasta
• Salt
• 2 tablespoons (1 ounce) butter
• 1 1/2 cups finely chopped onion
• 4 cloves garlic, minced, about 4 teaspoons
• 1/4 teaspoon red pepper flakes
• 1 (28-ounce) can crushed tomatoes
• 1/4 cup vodka
• 6 tablespoons heavy whipping cream
• 1 teaspoon lemon zest
• 1 pound peeled, deveined raw shrimp
• 3 tablespoons chopped fresh parsley
• Freshly ground black pepper