Green Beans with Frizzled Country Ham and Gruyere

3 tablespoons lemon juice, or to taste1 tablespoon white wine vinegar2 tablespoons minced shallotsSalt and pepper as needed7 tablespoons extra-virgin olive oil1 pound green beans, ends trimmed 1/4 pound country ham or proscuitto, thinly sliced 1/4 pound Gruyère cheese cut into sticksCombine the lemon juice, vinegar, shallots, 1/4 teaspoon salt and 1/4 teaspoon pepper. Gradually whisk in 6 tablespoons olive oil. Season with additional salt and pepper, if needed. Set aside.Bring a large pot of salted water to a boil. Add the green beans and cook until bright green and just barely tender to the bite, about 3 minutes. Drain the green beans and rinse with cold water until they feel cool. Drain well.Toss the greens beans and the dressing together and let them marinate at room temperature for 10 minutes.Heat the remaining olive oil in a sauté pan over medium-high heat until it shimmers. Add the ham or prosciutto to the hot oil and cook until it "frizzles," about 2 minutes. Add the Gruyère. Season with additional salt and pepper if necessary. Serve at room temperature.Serves eight.Nutrition values per serving: 216 calories, 18 g fat (5 g saturated), 5 g carbohydrates, 2 g fiber, 9 g protein, 26 mg cholesterol, 433 mg sodium.Adapted from "Vegetables" by the Culinary Institute of America(2007 Lebhar Friedman, $40) SALADS J 149