Teriyaki beef with mushrooms | Reader's Digest Asia

Ingredients

• 350 g (12 oz) lean sirloin steak, thinly sliced across the grain
• 2 tablespoons bottled teriyaki marinade
• 2 tablespoons hoisin sauce
• 2 tablespoons cornflour (cornstarch)
• 1¼ cups (310 ml) salt–reduced chicken stock
• 3 teaspoons vegetable oil
• 4 spring onions (scallions), thinly sliced
• 2 cloves garlic, crushed
• 1 cup (90 g) sliced shiitake mushrooms
• 250 g (8 oz) sugar snap peas or snow peas (mangetout), trimmed
• 2 large red capsicums (bell peppers), halved, seeded and sliced