Prawn jambalaya

Name: Prawn jambalaya
Ingredients: 1 tbsp rapeseed oil; 1 onion, chopped; 3 celery sticks, sliced; 100g wholegrain basmati rice; 1 tsp mild chilli powder; 1 tbsp ground coriander; ½ tsp fennel seeds; 400g can chopped tomatoes; 1 tsp vegetable bouillon powder; 1 yellow pepper, roughly chopped; 2 garlic cloves, chopped; 1 tbsp fresh thyme leaves; 150g pack small prawns, thawed if frozen; 3 tbsp chopped parsley