Penne Pecorino
- Level: Easy
- Yield: 2 to 4 servings
- Total: 25 min
- Active: 25 min
Ingredients
2 large yellow onions, halved and thinly sliced
12 ounces penne pasta
1 1/2 cups grated Pecorino Romano cheese
Staple Ingredients:
Salted butter
Kosher salt and freshly ground black pepper
Directions
- Heat 2 tablespoons of butter in a large skillet over medium heat. Add the onions and season with salt and pepper. Cook, stirring occasionally, until caramelized, for 10 to 12 minutes.
- Meanwhile, cook the penne according to package directions in lightly salted water. Reserve 1 cup pasta cooking water, then drain.
- Increase the heat under the skillet to medium-high and stir the cooked penne and reserved pasta water into the skillet. Let the sauce simmer and reduce until it thickens, for 1 to 2 minutes.
- Remove the pan from the heat and stir in the grated cheese until partially melted.
- Top with freshly ground black pepper and serve immediately.