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In spring, the leaves are collected and used raw to flavour spreads based on cottage cheese, soups and sauces. Dried leaves usually exhibit a very faint odour and should, if ever, used in liberal amounts. On the other side, they are better preserved by preparing a pesto-like sauce (see basil) or simply by freezing.
In Germany, and probably other parts of Central Europe, bear's garlic has increased dramatically in popularity within the last few years; see also rocket on other herbs that have become popular lately. While bear's garlic was formerly known only to a few in eat-wild-plants-communities, today hardly any of the haute cuisine-chefs will miss the opportunity to create new recipes using this herb and offer them to his guest during the all-too-short season. Unfortunately, I find that many chefs mistreat bear's garlic significantly and use way too high temperatures when they prepare their subtly flavoured crèmes, soups and pasta sauces. Ideally, bear's garlic should not be boiled or simmered at all, but rather used raw, the fresh leaves just being mixed with the hot food and eaten immediately. Otherwise, most of its characteristic flavour is wasted and perfumes the kitchen air, not the food.
Since bear's garlic has become so popular, many people have tried to collect the plant in the wild. Several cases of poisoning have been reported in the last years, as there are a few toxic plants with roughly similar leaves, particularly lily of the valley (Convallaria majus, Convallariaceae/Asparaginales) and autumn crocus (meadow saffron, naked ladies, Colchicum autumnale, Colchicaceae/Liliales). Both plants do not show even traces of garlic odour, and similarities are in the best case superficial, or even non-existent.
Lily of the valley contains cardioactive glycosides with physiological
effects similar to digitalis, but their concentration in the leaves is
comparatively small, and, as a consequence, live-threatening conditions
due to poisoning occur but rarely. The situation is different with autumn
crocus: All plant parts are rich in colchicine, a highly toxic alkaloid.
Colchicine poisoning takes lethal course very often. Autumn crocus flowers
have also been confused with saffron flowers
by the inexperienced.


