Grate 250 g quinces, wash and cut into fine cubes or finely grate the flesh around the core. Immediately place 200 g white candy, 1 cinnamon stick and 1 bottle (0.7 l) of wheat grain (32% by volume) in a bottle with a wide opening.
Leave well sealed at room temperature for approx. 2 months, shaking from time to time so that the candy dissolves better. Strain the liqueur mixture through a sieve lined with a gauze cloth, squeezing the quinces. Pour the liqueur into a clean bottle.
First wipe the natural fluff on the quinces with a dry cloth. Then process the fruits as described in the recipe.