Handmade beautiful porcelain plate with a blue satin matt glaze on the outside and colour on the inside as seen in Jamie Oliverâ Barbecoa restaurant. Barbecoa is the UK's first barbecue steakhouse and butchery in London. Linda Bloomfield a potter based in London that specialise in making porcelain tableware handmade 300 pieces including cake stands, plates and shallow bowls for Jamie Oliverâ Barbecoa Piccadilly restaurant.