Ingredients
- 100g Unsalted Butter
- 100g Lard
- 60g Water
- 1 Egg
- 200g Onion
- 100g Carrot
- 100g Celery Stalk
- 2 Garlic Cloves
- 1 tablespoon Fresh Rosemary
- 150g Sharp Cheddar
- 400g All Purpose Flour
- 1 teaspoon Fine Sea Salt
- 1 tablespoon Olive Oil
- 1 tablespoon Unsalted Butter
- Salt as needed
- 450g Ground Beef
- 2 tablespoons All Purpose Flour
- 250g Beef Stock
- 1 tablespoon Dark Soy Sauce
- Fine Sea Salt as needed
- Black Pepper as needed
- 1 Egg Yolk