4 tuna niecoise salad roasted Recipes

potatoes , such as red bliss or fingerling (about 9), halved, green beans, trimmed, olive oil, divided, salt, divided, pepper, divided, fresh lemon juice, capers, rinsed, chopped parsley, head oak leaf lettuce (about 12 loosely packed cups), tuna in olive oil, drained, olives , such as oil-cured or kalamata, pitted and halved, halved grape tomatoes (about 7 oz), eggs

red potatoes, fresh green beans, trimmed, dry white wine, white wine vinegar, divided, canned low-sodium chicken broth, undiluted, capers, drained, dijon mustard, dried thyme, olive oil, sugar, mixed baby salad greens, roasted red peppers, drained and cut into thin strips, low-sodium chunk light tuna in water, drained, pitted ripe olives, sliced, hard-cooked egg whites, chopped

red-wine vinegar, dijon-styled mustard, anchovy paste, dried thyme, crumbled, sugar, olive oil, thick tuna steak, cut into 6 pieces, yellow squash , cut into 1/4-inch-thick slices, jumbo shrimp, shelled and halved lengthwise, sea scallops, green or wax beans or a combination, trimmed and cut into 2-inch lengths, red-leaf lettuce for lining the plates, red bell pepper , roasted and cut into 2-inch pieces, red or yellow cherry tomatoes or a combination, quartered, drained nicoise olives (available at specialty foods shops and some supermarkets)