Recipe from fellow slimming world friends

1 jacket potato
1 egg yolk
1 tsp mustard powder
30g cheese ( grated)

Preheat oven to gas 6

Spray a potato with fry light and rub in, then roll in salt
Cut a big cross in the centre and bake for 1 hour
Mix the egg yolk with the mustard powder and cheese.

When cooked, carefully prise potato open a little and scrape it out into cheese mix.
Stir it thoroughly and carefully scoop back into potato skin
Bake for a further 10 mins to brown