Beetroot, red apple & watercress salad

INGREDIENTS

• 1 small lemon
• extra virgin olive oil
• sea salt
• freshly ground black pepper
• 1 bag rocket, washed
• 1 bunch watercress
• 1 small handful pea shoots, optional
• 2 red apples, quartered, cored and finely sliced
• 2 small beetroot, scrubbed (not peeled) and very finely sliced (if you have leaves, reserve them)
• 2 small candy beetroot, (or use all red if you can't find candy) scrubbed (not peeled) and very finely sliced (if you have leaves, reserve them)
• 1 small bunch fresh marjoram, leaves picked