Spanish latte has a delightfully creamy texture and slightly sweet taste. A Spanish latte is generally sweeter than a regular latte due to the addition of sugar.
Spanish latte is a strong coffee drink that is a bit sweeter than a regular latte. This is because sugar is often added at the end. Hence, this makes it similar in taste to the French café au lait. ... The sugar makes it sweet, so you will add your sugar how you like it when making your latte.