01 -
Bring a large pot of salted water to a boil. Cook penne according to package directions until al dente. Reserve 1 cup of pasta cooking water, then drain.
02 -
Meanwhile, heat olive oil in a large skillet over medium heat. Add onion and cook for 3 to 4 minutes until translucent. Stir in garlic and sauté for 30 seconds until fragrant.
03 -
Add ’nduja sausage and red pepper flakes to the skillet. Cook, stirring, until the ’nduja renders and coats the onion, about 2 minutes.
04 -
Pour in the white wine to deglaze the pan, simmering for 1 to 2 minutes until slightly reduced.
05 -
Add canned chopped tomatoes, sea salt, and freshly ground black pepper. Simmer uncovered for 8 to 10 minutes, stirring occasionally.
06 -
Stir in chopped bitter greens and baby spinach. Cook for 2 to 3 minutes, stirring, until wilted.
07 -
Add the drained penne to the skillet. Toss thoroughly with the sauce, adding reserved pasta water as needed for a silky finish.
08 -
Remove skillet from heat. Fold in grated Pecorino Romano and lemon zest. Taste and adjust seasoning as needed.
09 -
Plate immediately, garnishing with additional Pecorino and a drizzle of olive oil if desired.