While visiting Barcelona recently, I enjoyed my very first Crema Catalana. It is the Spanish version of the French Crème Brulée. The original Crema Catalana is lighter than Crème Brulée and the lemon or orange zest adds a beautiful fruity flavor.
If you are looking to replace coffee based lattes with something that is naturally caffeine free and absolutely delicious, I would suggest that you try a (red) rooibos latte. Rooibos lattes are very popular in coffee