Lobster Niçoise Salad

Ingredients

• 5 tablespoons butter
• 1 shallot, finely diced
• 1/4 cup white balsamic vinegar
• 1 tablespoon chopped fresh thyme
• 1 tablespoon chopped fresh parsley
• 3 pounds cooked lobster meat, tails and claws, roughly chopped
• 1 lemon
• salt and pepper, to taste
• 1 pound cooked trimmed green beans
• three 14-ounce cans quartered artichokes
• three 10-ounce package cherry tomatoes
• 2 heads of butterhead lettuce, leaves removed
• two 10-ounce packages niçoise olives
• 3 tablespoons olive oil