Drunken Tuna Pasta

Directions

1. 1
   Slice the onion finely.
2. 2
   Place some extra virgin olive oil in a terracotta saucepan with the onion and the tuna.
3. 3
   Saute for a few minutes.
4. 4
   Add 80 milliliters of the Vin Santo and allow it to evaporate completely.
5. 5
   Cook for 15 to 20 minutes on low heat.
6. 6
   Add the tomato puree, water, a teaspoon of sugar, and a pinch of oregano.
7. 7
   Season with salt, cover and cook on medium-low heat for approximately 30 minutes.
8. 8
   After 15 minutes, add the remaining wine and complete the cooking process. The sauce should be thick.
9. 9
   In the meantime, cook the pasta and drain when 'al dente'.
10. 10
    Add the pasta to the sauce.
11. 11
    Stir well and serve.