While it only takes about a minute for personal-sized pizzas to cook in Mamma Mia restaurant’s oven, the handmade dough is prepared and left to rise for 48 hours before being topped with fresh ingredients. Mamma Mia, 1765 Meriden-Waterbury Turnpike, held its grand opening Friday after finishing renovations and installing the pizza oven ordered from Italy. The unofficial opening was earlier in the week.

“People are coming in,” owner Luigi Camputaro said. “We’re very busy. The former boxer, wearing a gold boxing glove pendant around his neck, greeted guests on Friday afternoon and chatted with his brother, nephews, daughter Marina Geraci and other family members who help run the restaurant.