Recipe: Aubergine, Halloumi and Green Sauce Sandwich

Ingredients

• 1 small aubergine, cut into thin slices
• 250g halloumi, sliced thickly
• Small handful each mint, parsley and basil, finely chopped
• Capers, finely chopped
• 1 teaspoon Dijon mustard
• 1 tablespoon red wine vinegar
• 1 clove garlic, crushed or finely grated
• 3 tablespoons olive oil
• 2 ciabatta buns
• Watercress or rocket
• Neutral oil, for cooking the aubergine