Pea and Tuna and White Bean Salad with Lemon Dressing

Ingredients

• 1 cucumber (peeled deseeded and cut into chunky batons)
• 150 g spinach leaves (blanched)
• 2 tablespoons capers
• 2 tablespoons olive oil
• 3 tablespoons flat leaf parsley (roughly chopped)
• 400 frozen peas
• 425 g can tuna (drained)
• 440 g can of cannellini beans (drained and rinsed)
• juice of 2 lemons
• ½ red onion (peeled and finely diced)
• sea salt and freshly ground black pepper