Make the sauce: In a large, deep pan set over medium heat, saute the onion in the olive oil until soft and fragrant for 2-3 minutes. Add the garlic, chilli flakes and oregano and cook for another 30 seconds. Pour in the vodka. Allow to reduce for 5 minutes.
Melt butter in a skillet over medium heat. Add onion and saute until slightly brown and soft, 5 to 7 minutes. Pour in vodka and let cook for 10 minutes. Mix in crushed tomatoes and cook for 30 minutes. Pour in heavy cream and cook for another 30 minutes.
In a large, deep pan set over medium heat, saute the onion in the olive oil until soft and fragrant for 2-3 minutes. Add the garlic, chilli flakes and oregano and cook for another 30 seconds. Pour in the vodka. Allow to reduce for 5 minutes.
Here's some facts about this delicious sauce: What is vodka sauce? Vodka sauce, also traditionally known as Penne alla Vodka, is a creamy Italian pasta sauce with vodka, tomatoes, garlic, and cheese. It's a great sauce for pastas that have holes, like penne or rigatoni.