Salad of cannellini beans with stockfish

08500 CANNELLINI SALAD with BACCALA ' INGREDIENTS for 4 PEOPLE 400 g of beans, a package of ready-made pesto 200 g stockfish, soaked, 100 g of olives, tomatoes 4 sodi and fleshy, an onion, a glass of vinegar. Peel the onion and cut it into thin slices; immerse it in water and vinegar for 10 minutes. Wash tomatoes, cut them in half, remove the seeds and the water and reduce the flesh into cubes. Shredded salt cod. In a bowl put the beans with salt cod, tomatoes, onion previously drained and pesto. stir carefully decorated with the olives and place in refrigerator until ready to serve.