01 -
10-12 ounces radiatore pasta.
02 -
2 tablespoons olive oil.
03 -
1/2 medium onion, diced.
04 -
2 large garlic cloves, minced.
05 -
2 1/2 tablespoons tomato paste.
06 -
1 teaspoon dried basil.
07 -
1/2 teaspoon salt.
08 -
1/3 teaspoon red pepper flakes.
09 -
1 shot vodka (optional).
10 -
1 cup heavy cream.
11 -
3/4 cup grated Parmesan.