Method

1. 1Step : Sauté the sliced onion in olive oil.
2. 2Step : Add the tomato purée, salt, pepper, and sugar.
3. 3Step : Set the sauce aside.
4. 4Step : Sauté the mushrooms and garlic with salt and pepper in olive oil.
5. 5Step : In each bowl, layer: olives, cheese, mushrooms, tuna, and tomato sauce.
6. 6Step : Roll out a dough ball on a floured work surface.
7. 7Step : Butter the rim of the bowls.
8. 8Step : Cover each bowl with dough and seal well.
9. 9Step : Butter the top of the dough and trim off the excess.
10. 10Step : Bake in the oven at 180°C for 15 minutes.
11. 11Step : Unmold and sprinkle with sesame seeds.