Step 1

Cut oranges in half. Cut each half into 3 equal wedges. Place in a plastic bag in the freezer overnight.

Step 2

Remove from freezer and place in the fridge for 4 hours to thaw slightly.

Step 3

Wash a 1L (4-cup) capacity glass preserving jar with plastic lid in warm, soapy water. Rinse well. Drain on a rack. Place orange in a bowl. Add salt and stir until orange is coated. Place orange and any salt from bowl into the glass jar. Add lemon and orange juice. Seal and date jar. Shake to combine. Store in a cool place out of direct sunlight for 4 weeks, then use as required.