Set your oven to fan forced and pre heat to 180⁰C.
Combine lemon zest, paprika and thyme leaves with salt and pepper to taste. Sprinkle over chicken pieces, rubbing in well.
Heat olive oil in a large oven proof baking dish or casserole. Add onion, leek, carrot, capsicum, celery, pancetta and garlic and cook for a few minutes to soften the vegetables. Add rice and stir to coat with all ingredients. Add chicken, saffron, wine and boiling stock. Mix well and bring to the boil. Cover and cook in the oven for 25 minutes until the chicken and rice are tender.
Serve topped with parsley and lemon cheeks on the side.