In a large casserole dish add onion, capsicum, carrot, corn, peas, turmeric, cumin and paprika. Pour over olive oil, mix well, pop lid on and place in oven for 30 minutes.
Add rice, stock, salt, pepper and water into the baking tray and stir to combine. Place chicken drumsticks on top and season well with salt and pepper. Cover and back in oven for 45 minutes.
Remove lid and cook for a further 15-30 minutes or just until chicken and rice are cooked.