Halve the peppers, clean, wash and cut them into approx. 3 cm wide strips. Peel onions and cut into slices. Peel horseradish and cut into thin slices. For the stock, boil 750 g water, onions, horseradish, pepper, sugar and salt.
Add the paprika and simmer for 4-5 minutes. Scoop out the peppers and put them into clean glasses. Pour stock on top, close glasses immediately. (Stored in a cool and dark place, the vegetables keep for 2-3 months).