Finely dice the onion.
Mix all the ingredients together thoroughly.
Divide into 170g portions.
Shape firmly to a round burger patty.
Place in the fridge covered and allow to chill for at least one hour.
Cook evenly on both sides until fully cooked. They can be cooked under a grill or on a pan but are best on a BBQ.
Serve your Clonakilty Blackpudding Burger on a warm brioche bun with your favourite toppings and make it your own!