Roast chicken on baked rice with tomato, cumin and bay leaves

Ingredients

• 50g fine salt
• 1.2–1.4kg free-range chicken
• 1½ cups basmati rice
• 150g salted butter
• 1 large white onion, sliced into half-moons
• 5 garlic cloves, finely sliced
• 1 tbsp cumin seeds
• salt flakes
• freshly ground black pepper
• 3 cups chicken stock
• 12 cherry tomatoes
• 3 fresh bay leaves
• ½ lemon