Sweet & sour rainbow slaw - Good Food Middle East

Ingredients

• 450g red and white cabbages (a mixture), very thinly sliced
• 2 carrots, peeled and sliced into thin matchsticks
• 1 small red onion, finely chopped
• 1 celery heart, thinly sliced
• 8 radishes, topped and tailed, then thinly sliced or quartered
• 1 red pepper, cored, deseeded and thinly sliced
• 2 tbsp white wine vinegar
• juice ½ lemon
• 2 tbsp light brown soft sugar
• 1 tsp mustard powder
• ½ tsp yellow mustard seeds
• ½ tsp celery seeds
• ½ tsp poppy seeds
• 4 tbsp vegetable oil