Artichokes Braised In Olive Oil And White Wine

Name: Artichokes Braised In Olive Oil And White Wine
Ingredients: 1 lemon, halved; 8 large artichokes; 1/3 cup extra-virgin olive oil; 2 medium leeks, white and tender green, quartered lengthwise and cut into 2-inch lengths; 2 celery ribs, peeled and thinly sliced; 1 large onion, halved and thinly sliced; 1 large carrot, thinly sliced; 4 garlic cloves, thinly sliced; 4 thyme sprigs; 4 tarragon sprigs; 2 bay leaves; Salt and freshly ground pepper; 2 cups dry white wine; 2 cups water; 1/2 pound fresh peas, shelled (1/2 cup); 8 pencil-thin asparagus; 1 small fennel bulb, cored and thinly sliced crosswise; 2 ounces haricots verts; 4 small tomatoes—halved, seeded and finely diced; 1/2 cup mixed herbs, such as parsley and chervil leaves, coarsely chopped chives and basil