Place lemon juice, honey, soy sauce, garlic and ginger in a small saucepan. Bring to a simmer over medium heat. Combine cornflour and shao hsing in a small jug. Add to honey mixture. Cook, stirring constantly, for 2 minutes or until mixture bubbles and thickens. Remove from heat.
Meanwhile, place chicken in a medium bowl. Sprinkle over extra cornflour. Season with salt and pepper. Toss to coat. Heat oil in a large frying pan over medium-high heat. Cook chicken, stirring occasionally, for 10 minutes or until chicken is browned and cooked through
Add honey mixture, spring onion and lemon slices. Cook, tossing occasionally, for 1 minute or until mixture is combined. Sprinkle with sesame seeds. Serve with rice