Bring a large pot of water to a boil and cook pasta according to package directions. Reserve 1 cup pasta water before draining. While pasta is cooking, make the vodka sauce.
In a large saucepan, heat the butter, garlic and shallot over medium heat. Cook until softened, 3-5 minutes.
Add tomato paste, cook until the sauce is darker and a bit caramelized, 2-3 minutes.
Add in vodka and cook it until evaporated.
Then add heavy cream and 1 tsp chili flakes. Keep stirring until combined and season to taste with salt and pepper.
If pasta is not done cooking yet, remove sauce from the heat.
When pasta is done cooking, add 1/2 cup reserved pasta water to the vodka sauce and 1 tbsp butter. Stir over medium heat until butter is melted and sauce is smooth and creamy - add another ¼ cup pasta water if needed.
Add strained pasta and ¼ cup parmesan cheese and stir. Remove from heat and adjust seasoning with more salt and pepper if needed.
Garnish with fresh basil and more parmesan cheese if desired.
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Notes
Forgot to save the pasta water? Replicate the same consistency by combining 1 cup hot water with 1/4 tsp cornstarch and 1/4 tsp kosher salt.Looking to serve 4 people? Double the recipe!Try whole milk, cashew cream or coconut milk as a substitute for heavy cream.For a less spicy version, cut the chili flakes to a 1/2 tsp.Add your favourite protein to top this pasta.Serve with a simple green salad as a delicious option for a dinner party.