Cumberland Pie

Ingredients

• 2 Celery
• 1 chopped Onion
• 2 large Carrots
• 5 Bay Leaves
• 3 Thyme
• 2 tblsp Vegetable Oil
• 1 tablespoon Butter
• 2 tablespoons Flour
• 2 tblsp Tomato Puree
• 2 tablespoons Worcestershire Sauce
• 2 Beef Stock Cubes
• 800g Feather blade beef
• 800g Potatoes
• 25g Mature Cheddar
• 25g Parmesan Cheese