Cheese & Thyme Torpedoes

Crispy on the outside, with a smooth yet chunky interior... these combine a strong cheese with fragrant herbs to create a simple-to-make midweek treat, or starter for a special meal. 

For 8/9 Torpedoes you'll need:

• 50g Butter
• 100g Leeks, finely sliced (about 1 large one)
• Nutmeg, to taste
• 170g Fresh Breadcrumbs
• 2 tsp Fresh Thyme 
• 2 Eggs (Separated)
• 1½ tsp English Mustard
• 175g Gruyere Cheese (Grated)
• 2 tbsp milk
• 50g flour