Texas Chili

100 gm minced pork 100 gm shredded chicken 1/2 tsp dried thyme 1/2 tsp dried oregano 1 tsp black pepper 1 tsp paprika 1 tsp mustard powder 4 tbsp oil 3 sliced leeks 4 tbsp chopped celery 1 sliced green pepper 1 sliced red pepper 2 tsp chopped garlic 125 gm rice 1/2 tsp soaked saffron strands 350 ml chicken stock 4 tomatoes – peeled and chopped 250 gm fish fillets – cut into 2″ pieces 12 shelled prawns 4 tbsp peas 2 tbsp chopped coriander