Traditional Cottage Pie with Dried Thyme - The London Economic

Ingredients

• 2 tbsp vegetable oil
• 1 large onion
• 1/2 tsp dried thyme
• 1 tbsp Worcestershire sauce
• 1 tbsp Bisto
• 1 ½ tsp grated nutmeg
• 1 egg yolk
• 1 ½ tsp salt
• 1 cup grated cheddar cheese
• 500 g beef mince
• 1/3 cup flour
• 2 cup water
• 2 tbsp beef stock
• ¼ cup cream
• 4 tbsp butter
• ½ tsp white pepper