Heat a large stock pot with 4 qt. of water, salt and oil over high heat until boiling
Meanwhile heat a large sauté pan over low heat and add the green onions. Cook for 2 minutes, stirring occasionally
Add in the garlic and stir until fragrant, about 20 seconds
Add tomato paste, turn the heat up to low-medium and cook for 4-5 minutes stirring frequently until it starts to get darker and caramelized
Pour in the vodka and stir then whisk in the heavy cream. Bring to a simmer for 4 minutes
Stir in the crushed red pepper, salt and black pepper
Turn the heat off and stir in the butter
Once the water is boiling add the pasta and cook according to package instructions
Reserve 1 cup of pasta water then drain the pasta
Add the pasta plus ½ cup pasta water to the sauce pan. Stir well
Stir in the parmesan cheese. Top with fresh basil and serve! Add more parmesan cheese on top if you'd like
