Cod's roe with tomato and green pepper (huevas aliñadas)

Huevas aliñadas or dressed roe is a standard cold tapa in Cádiz, and is a big favourite of Sammy's. There was some cod's roe in my Edinburgh fishmonger the other day, so I bought it and made this simple cod's roe salad for Sammy to welcome him back from his skiing trip with Grandma and Auntie Clara.

Ingredients
250g cooked cod´s roe
2 tomatoes
1/2 green pepper
2 spring onions
3 tbsps olive oil
1.5 tbsps vinegar
1/2 tsps salt
black pepper

Method
Cut the cod's roe into smallish pieces (about 2cm square), dice the tomatoes and green pepper, and slice the spring onions. Combine in a bowl, dress with the olive oil, vinegar, salt and pepper, mix well, and leave to sit for at least 30 minutes before serving.