Fish tacos

Ingredients

• ¼ red cabbage, shredded
• ¼ white cabbage, shredded
• 75ml cider vinegar
• 2 teaspoons sugar
• 320g low-fat natural yoghurt
• 2 jalapeño chillies, sliced (remove seeds for a less spicy taste)
• 4 fresh tomatoes, chopped
• 1 red onion, finely diced
• 2-3 cucumber, finely diced
• 1 small bunch coriander, chopped
• Juice of 1 lime
• 8 small soft flour tortillas, warmed
• Spray oil
• 4 x 100g fillets white fish, such as seabass
• Black pepper