What is your recommended ratio for an iced coffee? P&R Team May 02, 2019 23:36 Follow Our recommended ratio is 2 parts cold milk to 1 part cold concentrate. No ice, no sugar! Related articles What are the ingredients of the coffee concentrate? Can I use the coffee concentrate for hot? Is the mix ratio the same as with cold? What are B Corps? Comments 0 comments Please sign in to leave a comment.