1 lemon
parsley
One tablespoon of mustard
salt
sugar
oil
Half a glass of water
Put the water in a saucepan with the lemon juice the zest cut into strips (making sure to carefully remove the white). Bring to a boil and add a pinch of salt, a teaspoon of sugar, finely chopped parsley and mustard. Mix well and after about 6-8 minutes of cooking remove from heat and add a drizzle of olive oil.