Ingredients
1 cucumber, peeled and sliced thinly
2 tsp malt vinegar
bread
butter

Method
1. Place the sliced cucumber in a bowl and drizzle the malt vinegar over the top. Leave to soak for 30 minutes, covered with a plate.
2. Butter enough bread for approximately two rounds of sandwiches per person.
3. Drain the cucumber, discarding the vinegar and liquid. Make up the sandwiches, trimming the crusts and cutting into quarters. Serve.