British-style marmalade is a sweet preserve with a bitter tang made from fruit, sugar, water, and (in some commercial brands) a gelling agent. American-style marmalade is sweet, not bitter. In English-speaking usage "marmalade" almost always refers to a preserve derived from a citrus fruit, most commonly oranges. The recipe includes sliced or chopped fruit peel, which is simmered in fruit juice and water until soft; indeed, marmalade is sometimes described as jam with fruit peel. Such marmalade… (More on Marmalade)