Ingredients

2 cups red-leaf lettuce (about 1/3 head), leaves torn

3 cups romaine lettuce (about 1/3 head), leaves torn

3 cups frisee or chicory (1 small head), leaves torn

16 thin asparagus stalks, blanched, cut diagonally into 1 1/2-inch pieces

1/3 cup oil-cured black olives, pitted and cut in half

2 teaspoons raspberry vinegar or red-wine vinegar

Salt and freshly ground pepper, to taste

1 1/2 tablespoons sour cream

2 tablespoons olive oil

Preparation

In a large salad bowl, toss together the red leaf, romaine, frisee, asparagus, and black olives.

In a medium bowl, whisk together vinegar, salt and pepper, and sour cream. Slowly whisk in the olive oil until completely combined. Pour vinaigrette over the salad, toss to coat, and serve immediately.