Step 1: Preheat the oven to 350 degrees.
Step 2: Wrap the Jacket Potato (basted in Sunflower oil and seasoned with Salt) in foil and place in the oven for 30 – 35 minutes. Be sure to re-bast every 5 – 10 minutes.
Step 4: While your waiting for the Potato.
Step 5: In a mixing bowl, add the Tuna, Sweet corn, Cracked black pepper (as much as you wish) and 4 scopes of Mayonnaise. Mix well.
Step 7: When the Potato is done take it out of the foil and cut vertically, cut about the slices about 1.5 cm thick.
Step 8: Lie the Potato slices on a place to form a base and season with Onion granules and Dill.
Step 10: Plonk the Tuna mix on top of the Potatoes and grate as much Cheese as you like over the top and grill till brown.
Step 11: Serve immediately