04In a bowl, toss the fennel, fennel fronds, onions and orange segments together until combined. Drizzle 1 tablespoon of olive oil and a squeeze of lemon juice over the salad; season with salt and pepper and toss to combine.05To serve, divide the grilled escarole among 4 plates. Lean a salmon filet on the escarole on each plate and top with the citrus-fennel salad.