3 watercress salad dill yogurt dressing Recipes

celery stalk , cut into 2-inch pieces, scallions, greens sliced into 1/2-inch pieces, whites left whole, divided, lemon, halved: cut half into slices, zest and juice remaining half (1/2 tsp zest, 1 tbsp juice), divided, kosher salt, divided, freshly ground black pepper, divided, salmon fillets, skinned (about 2 inches thick ), plain low-fat yogurt, chopped fresh dill plus 1/2 cup fronds, divided, grated fresh horseradish, extra-virgin olive oil, watercress, thick stems removed (about 8 cups), sugar snap peas , thinly sliced crosswise (3 oz), radishes, sliced (1 1/2 cups)

reduced-fat mayonnaise, plain fat-free yogurt, fresh lemon juice, divided, chopped fresh dill, salt, divided, freshly ground black pepper, chopped fennel bulb, julienne-cut carrot, vertically sliced red onion, cooked peeled and deveined large shrimp, great northern beans, rinsed and drained, extravirgin olive oil, trimmed watercress (about 1 bunch)