Method

1. Whilst the haggis heats in the microwave, butter the roll with mustard mayonnaise.
2. Place the red onions on the base rolls and top with the little gem lettuce.
3. Once the haggis is cooked, place on the roll and top with the lid.
4. Garnish the plate with roasted cherry tomatoes, tomato ketchup, coleslaw and fries or wedges.
5. Spear the onion ring though the middle of the burger with a wooden skewer, then through the burger nun.
6. Devour immediately.