Put a medium-sized pot on the stove half fall of water and then put a metal bowl in the pot with butter, lemon juice, caster sugar and lemon zist. Make sure the bowl isn't touching the water in the pot

Add the eggs into another bowl and whisk, when I butter is melted take of the heat and add the whisked eggs to the butter mixture, whisk the butter mixture when adding the eggs

Sift the mixture into a pouring jug and the pour the mixture in to jars and leave to cool with the lids of. When the mixture I cooled down put lids on and put in fridge and there you have tasty lemon curd