Finding Inspiration in Every Turn


About Us

We focus on investigating "forgotten ingredients"  emphasizing a natural,
and  more healthy way of eating. 
Image by Megumi Nachev

Our Story

The quality of the raw materials, as well as authenticity and simplicity, is at he heart of the philosophy of Gem42 Restaurant that has selected, only the best of what the Welsh  market and farmers offer. Every single ingredient has its own importance, and each dish has its own history and is designed to make the most of every ingredient.




"The real Heroes in our Restaurant are the Ingredients" 
Chef Sergio.
Tradition with Innovation,
A Culinary Journey

Sergio started his culinary journey at a young age, he obtained a Diploma after studying for 5 years at the Istituto Alberghiero (Food Culinary Academy ) in Teano Italy. 
While studying at the food academy he also took part in National competition and at age 15 he was awarded Young chef of the year, and at age 16 awarded Gold medal- at the dessert Fiera di Rimini.
and took part in training stage formation program across Europe.
In the following years, Sergio`s culinary repertoire develops during his academy formation and also with working experience which included several Michelin starred establishments.
Sergio, continued in education  and after graduating from Cardiff University,
sought opportunities to further develop his own creativity as a professional chef
and together with his twin brother Pasquale,a professional patissier chef, also with broad international experience , decided to start together in 2002 a new venture, Gemelli`s desserts a manufactures desserts company distributing to both retail and foodservice channels, with a tradition of incorporating the highest quality ingredients to their successful line of desserts including cakes, gourmet desserts bars, patisserie biscuits, individual desserts, premium cheesecake and mousses. ​


Some years later in  2018, Sergio and Pasquale saw the opportunity to start a new venture a “Gem” (Root  word for Gemini , twins in Italian ) and follow their shared passion for hospitality and do what they do best! "simple and honest food" 
Chef Sergio is awarded best Italian chef in Wales in 2018.
In November 2018,Chef Sergio with the Welsh Culinary Team
took part in the Culinary World Cup held in Luxembourg and successfully took home the Silver Medal, and not long after his return to Wales, 2019 he was asked to be the Captain of the Welsh Culinary Team for the Culinary Olympics in Germany. So, the culinary repertoire flourished during an internship with Chefs around the Country.

Also in 2019 Gem 42 was awarded Healthy dish of the year and Best Italian Restaurant in Wales at the Welsh Hospitality 2022 Gem42 has been awarded 3AARosettes for Culinary Excellence.

Seasonal Dishes, influenced by homegrown ingredients.
Where possible, we grow, forage or farm as much of the produce we use.
Our Latest Projects
Product Lab & Test Kitchen
 In  recent years, at Gem42 we have established a dedicated test kitchen  in which to create freelywithout the pressures of a normal, working kitchen — and create our restaurants new dishes, ideas, and techniques. Some of these projects delve into the  developing menus and working on food & Fermentation.
Zero Waste
Total Passion Project
The policy at Gem42 is Zero Waste, and the vibe is recovery. We use quality, fresh and healthy ingredients with nothing thrown away. 
Gem42, aims to avoid  food leftovers, and if any little waste is  produced is composted and recycled.

“Our menu have  dishes that highlight the use of the whole ingredient—whether that’s nose to tail, root to fruit or indeed tail to fin,” Chef Sergio says. A menu full of pickled and preserved items is also a sign of a chef “committed to extracting maximum value” from ingredients, he says. So is a menu with little—or no—meat and dairy.

In fact sourcing and serving more veg-led dishes will significantly reduce a restaurant’s footprint and help diners use the power of their appetite wisely.

 Use the power of your appetite and choose sustainable restaurants.Gem42 is quickly gaining ground on being completely zero waste.
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