Ingredients
Method
1.In a saucepan, bring stock and water to a simmer on medium heat.
2.Heat oil in a large heavy-based saucepan on medium. Add onion. Cook, stirring, 5 minutes, until soft. Stir in rice; cook further 1 minute.
3.Add a ladle of simmering stock to pan. Cook, stirring, until stock is absorbed. Add remaining stock, 1 ladle at a time, absorbing between additions. Cook, stirring constantly, 20 minutes, or until rice is cooked.
4.Stir in zucchini. Remove from heat. Cover and set aside 5 minutes. Fold in tomato and parmesan. Season to taste. Serve.