Peel and halve the cucumbers and scrape out the seeds. Cut cucumber halves into thick slices and put them into a pot. Add 50 ml vinegar, 30 g sugar and 1 1/2 litres water. Bring the cucumbers to the boil and cook for about 15 minutes until they are glassy. Remove the cucumbers and fill them into the prepared glasses.
Boil down the stock to half its original volume. Season to taste with 150-175 g sugar and vinegar. Season with little salt, add mustard seeds. Boil up again, pour over the gherkins and close. Leave to stand for about 4 weeks
4 weeks waiting period