Method:

Wash and prick the skin of the baking potatoes.
Bake the potatoes in a hot oven for 45 mins.
Prepare the tuna mix by adding all your ingredients into a bowl and mixing together gently.
Make your you make use of the olive oil that the tuna came in, it will be full of flavour.
Once the potatoes are cooked, open them up o one side to expose the potato flesh.
Use a fork to loosen the flesh a little then add a dollop of your tuna mixture.
Drizzle a little of the olive oil over the top and serve with a green salad.