Sirloin steaks with port sauce | Reader's Digest Asia

Ingredients

• 500 g miniature new potatoes, scrubbed, and any larger ones halved
• 1 tablespoon extra virgin olive oil
• 250 g large mushrooms, quartered
• 250 g sugarsnap peas
• 1 large red capsicum, seeded and cut into thin strips
• ⅔ cup (170 ml) beef or vegetable stock
• 1 tablespoon worcestershire sauce
• 1 teaspoon Dijon mustard
• ½ teaspoon dark brown sugar
• 4 thin sirloin steaks, about 150 g each, trimmed of fat
• 20 g butter
• 1 French shallot, finely chopped
• 2 cloves garlic, crushed
• 4 tablespoons port
• salt and pepper