Boil saucepan of water

Place egg in boiled water for 2 to 3 minutes

Let egg cool so that you can peel shell

Whilst letting egg cool , chop cucumber, tomato and avocado into small chunks

Layer chopped ingredients on plate. Open can tuna and place 1/4 on top

Peel egg and place on top of pile, pierce side and use runny yolk as a dressing