You can choose 3 options:

15% off on the bill;

Pizza menu 13€ (1 pizza + small beer or drink);

Pasta menu 13€ (Rigatoni Amatriciana or Tonnarelli cacio e pepe + side dish salad or french fries + small beer or drink)

Antica Hostaria Al Vantaggio 
via del Vantaggio 35 
00186 Rome RM