Rolls of cod

Peel the onions and garlic, onions cut into thin half moons and pique the garlic. Throw everything into a pot, add the oil and light the fire until the onion is soft.Then add the diced tomatoes, stir, add the cod and stir well grossly undone.
Season with little salt and pepper and let cook until it is no liquid.Remove from fire, add the minced parsley and let cool.
Turn the oven to 200 º and pass the board of the furnace by cold water. Extend the pastry on the table (previously cleaned) sprinkled with flour and leave it in the shape of a rectangle with approximately around 25/30 cm. Spread the mixture on top and close the cod mass to be such a roll.
Place the roll on the board with the opening facing down, and close the ends, make some cuts in light weight, brush with beaten egg and light the oven for 20 minutes.
Remove and serve, hot or warm and decorated to taste