Bread and Butter Pickles

Ingredients

• • 5 ½ lb (2.5 kg) unpeeled garden cucumbers, washed, or fresh pickling cucumbers (see note)
  • 8 onions, peeled
  • 1 green bell pepper, seeded and cut into thin strips
  • 1 yellow bell pepper, seeded and cut into thin strips
  • ½ cup (125 g) coarse pickling salt
  • 5 cups (1 kg) sugar
  • 4 cups (1 litre) white vinegar
  • 2 tbsp mustard seeds
  • 1 ½ tsp ground turmeric
  • ½ tsp whole cloves
  • ½ tsp celery seeds