Schmidt "Les Charlatans de Belcastel" french board game

Once a year, the city of Quedlinburg organizes a 9-day bazaar... The best healers of the country gather there to present their remedies and potions. Each player randomly pulls the ingredients from his bag until he is convinced that his potion is ready, just right! But beware: a little too much of these special ingredients and the whole cauldron could explode!