Prawn and chilli pizza with anchovy dressing recipe

Ingredients

• Prawn, chilli & courgette pizza
• 1/2 red chilli, thinly sliced
• zest ½ lemon
• 12 large prawns, peeled
• 1 tablespoon extra virgin olive oil, plus extra for drizzling
• flour, for dusting
• 250 gram pizza dough
• 80 millilitre pizza sauce
• 100 gram sliced mozzarella
• 1 courgette, sliced lengthways with a potato peeler
• picked watercress, to serve
• Anchovy dressing
• 80 millilitre good-quality mayonnaise
• juice ½ lemon
• 1 tablespoon anchovies, finely chopped
• 1 tablespoon milk