Then he had a breakthrough: "I produced some buffalo mozzarella that was good, " he says.

WSJ: It's Easy to Be Cowed When Trying to Milk a Water Buffalo

Taking its cue from the age-old Neapolitan tradition, pizzas are made from slowly proofed sourdough, San Marzano tomatoes and buffalo mozzarella singed in an extremely hot wood-fired oven.

BBC: Dublin's recessionary restaurant boom