Barberry can be used to improve the taste of compotes and fruit sweets, to make various sauces for game and roast beef. Fish dishes. In canning: jam, jelly, juice, marmalade, compotes. The fruits of the plant are red fleshy berries that can stay on the bush until late winter and have a pleasant tart-sour taste. The fruits can be ground into a powder, which, due to its pronounced sour taste, can be used to make seasonings. Berries contain a lot of ascorbic acid.