Quick Red Onion Pickles

• 350 g red onions, thinly sliced
• 2 tbsp salt
• 125 ml

Place the onions in a colander and sprinkle with 1 tbsp of the salt. Leave for 10 minutes. Meanwhile, heat the vinegar with the remaining salt, the sugar and spices. Once the salt and sugar have dissolved, remove from the heat and add 250 ml (1