Green chicken curry

Ingredients

• 1 tablespoon vegetable or rice bran oil
• 500 gram chicken thigh fillets, cut into 3cm pieces
• 1/3 cup bought green curry paste
• 2 cup chicken stock
• 270 millilitre can coconut milk
• 150 gram green beans, topped, cut diagonally into 3cm lengths
• 1 small red capsicum, cut into 2cm pieces
• 2 tablespoon fish sauce
• 2 teaspoon brown sugar
• 1/3 cup coarsely chopped coriander
• cooked jasmine rice, to serve