Tuna Salad

2 tins tuna with olive oil
1 tbsp mayonnaise
1 small onion finely chopped
1 granny smith apple chopped
salt and pepper

Drain tuna and place in a bowl, add onion, apple and salt and pepper to taste and mix well. Make the tuna in advance and it will only taste better. Serve on a brown bread roll with iceberg lettuce.