Tomatoes emptied and placed in a dish, carefully will take away the top for later use as cover our tomato. Gently mix to a paste not stay: the Txangurro, chopped parsley, 1 cucumber into very small pieces, chopped boiled egg, what we get inside tomatoes, also chopped, and mayonnaise. Fill the tomatoes with the mixture, closing the lid we have saved before. We serve cold tomatoes.