Ingredients:
- 5 tbsp extra-light mayonnaise
- 5 tbsp fat-free natural Greek yogurt
- 3 tbsp tomato ketchup
- 25g roasted red peppers, drained and finely chopped
- 1 tsp lime juice, plus lime wedges for serving
- ½ red chili, deseeded and finely chopped
- 6cm piece cucumber, diced
- 8 cherry tomatoes, halved
- 1 little gem lettuce, shredded
- 225g cooked, peeled prawns