Cottage Pie Recipe with Crispy Crust

Ingredients

• 2 tbsps vegetable oil
• 1 large onion
• 2 garlic cloves (minced)
• 500g ground beef (mince) ( (mince))
• ½ tsp dried thyme (or fresh)
• 1 tsp fresh rosemary (finely chopped (optional))
• 1 tbsp tablespoon Worcestershire sauce
• 1 tbsp Bisto (or similar gravy powder)
• ⅓ cup all-purpose flour
• 2 cups water
• 2 tbsp beef stock
• ½ tsp black pepper
• salt to taste
• 800g potatoes (peeled and quartered)
• 4 tbsps unsalted butter
• ¼ cup cream or milk
• 1½ tsp grated nutmeg
• 1 egg yolk
• ½ tsp white pepper
• 1 cup grated mature cheddar cheese
• 1 tsp salt