Red sauce, is it like a cranberry sauce?
It's made with either strawberries, raspberries or black currant (or a mix of different berries), water, potato flour or arrowroot.
Google translated wiki page:
Quote:
Fruit sauce is a simple dessert that is usually served hot or cold to rice porridge / semolina pudding , cheesecake , Rice à la Malta , or rice pudding . Fruit sauce made of juice , for example, strawberry , raspberry or blackcurrant or mixed juice, which is diluted with water and seasoned with potato flour or arrowroot . The interiors of arrowroot gives a clear sauce while potato flour gives a dull sauce. Fruit sauce is often confused with juice soup.