Ingredients

8 thin slices pancetta (about 4 ounces)

3 heads Treviso radicchio (about 1 1/2 pounds), quartered lengthwise

1/2 cup walnut oil

2 shallots, finely chopped

1/2 cup champagne vinegar

2/3 cup chopped walnuts, toasted

1/2 teaspoon coarse salt

1/4 teaspoon pepper

2 ounces shaved young pecorino

Toscano cheese

Preparation

Heat a medium skillet over medium-low heat; arrange pancetta in skillet in a single layer. Cook, turning occasionally, until crisp, about 12 minutes. Drain on paper towels. Break into 1-inch pieces.

Put radicchio in a large bowl. Add oil to skillet; heat over medium heat. Add shallots; immediately remove skillet from heat. Whisk in vinegar, walnuts, salt, and pepper; pour over radicchio. Toss well. Top with pancetta and cheese.