01 -
Melt butter in a large skillet over medium heat. Add shallot and garlic, stirring frequently until softened and translucent, 4 to 5 minutes.
02 -
Add tomato paste and red pepper flakes. Cook, stirring frequently, until the paste coats the aromatics and begins to darken, about 5 minutes.
03 -
Pour in vodka and stir to incorporate, scraping up any browned bits from the bottom of the skillet. Remove from heat.
04 -
In a large pot of generously salted boiling water, cook pasta until al dente according to package instructions. Reserve 500 ml pasta water, then drain.
05 -
Return sauce mixture to medium heat. Stir in heavy cream and 60 ml of reserved pasta water. Add half of the Parmigiano Reggiano, stirring until melted and sauce is smooth.
06 -
Add drained pasta to the skillet. Fold in remaining Parmigiano, adding more reserved pasta water in small increments if the sauce is too thick. Adjust seasoning with salt as needed. Divide between bowls and garnish with additional Parmigiano and fresh basil.