Sri Lankan Prawn Pilaf

Name: Sri Lankan Prawn Pilaf
Cuisine: Asian, Indian
Ingredients: 0.5 onion, 0.5cm dice; 1 courgette, 1cm dice; 1 garlic clove, finely chopped; 1 vegetable stock pot, or low salt stock cube if for children; olive oil; 1 tbsp curry powder (Sri Lankan mix if possible); 150g white basmati rice; 1 lemon, zest and juice; 3 tbsp fresh flat leaf parsley, roughly chopped; 250g raw king prawns; 1 beetroot; salt and black pepper