Sunday Special Roast Beef

Ingredients

• 1 1/2 kg boned, rolled and tied lean sirloin tip, trimmed of fat
• pepper to taste
• 4 teaspoons prepared English mustard (optional)
• 1 1/2 kg potatoes, peeled and cut into even-sized pieces
• 650 g baby parsnips, halved lengthwise
• 650 g baby carrots, halved lengthwise
• 3 tablespoons sunflower oil
• 650 g broccoli florets
• 1 3⁄4 cups reduced-salt beef stock
• 1⁄2 cup all-purpose flour
• 1 egg
• ⅓ cup low-fat milk
• 2 teaspoons sunflower oil