- 3 tablespoons walnut oil
- 1 tablespoon white wine vinegar, or more as needed
- 1 shallot, minced
- Salt
- Freshly ground black pepper
- ½ cup pecans
- 3 Belgian endives
- 1 bunch (about 6 ounces) watercress, about 3 loosely packed cups
- 1/3 pound seedless red grapes, halved
- 3 to 4 ounces Roquefort or other blue cheese
- In a small bowl, whisk together the walnut oil, 1 tablespoon wine vinegar, shallot, and salt and pepper to taste. Let stand for 30 minutes to allow the shallot flavor to mellow. Taste and adjust the balance as needed.
- Preheat oven to 325°F. Toast pecans on a baking sheet until fragrant and nutty, about 15 minutes. Let cool. By hand, break the pecans in half.
- Cut each endive in half lengthwise and remove the core. Slice crosswise at 1-inch intervals.
- In a large salad bowl, combine the endive, watercress, grapes, and pecans. Add enough of the dressing to coat the greens lightly; you may not need it all. Add the cheese, crumbling it by hand. Toss gently. Taste and adjust the seasoning. Divide among 4 salad plates or serve from the bowl.