Question: which restaurants participate in tastecard?
Answer: 390 PizzaExpress restaurants. Cuisine: Pizza, Italian. ...  375 Pizza Hut Delivery restaurants. Cuisine: Pizza. ...  245 Pizza Hut Restaurants restaurants. ...  233 Frankie & Benny's restaurants. ...  175 Prezzo restaurants. ...  137 Domino's - London restaurants. ...  134 Zizzi restaurants. ...  102 Bella Italia restaurants.