Costa’s rich, signature blend of coffee and just the right balance of milk for our sophisticated taste Inspired by Costa Coffee’s slow roasted Signature Blend – a blend masterfully crafted 50 years ago in Europe by the Italian Costa brothers. Our beans are our pride and joy and always sourced from Rainforest Alliance Certified farms. Our beans are our pride and joy and always sourced from Rainforest Alliance Certified farms. This is the coffee your coffee wishes it tasted like