Method

1. Pre-heat the oven to 220°C / 425°F/ Gas Mark 7
2. Wash the potatoes, then prick them all over with a fork
3. Bake in a pre-heated oven for 1½ hours or until the inside is tender
4. For the microwave method, follow the instructions given in the manual
5. Grill the bacon until crisp then crumble into small pieces
6. Cut the potato in half and carefully scoop out the centre of the potato
7. Mix the potato with the tuna and bacon
8. Return the mixture to the potato skins
9. Place in a hot oven and bake until warmed through and slightly browned on top