Slow Cooked Beef Pie - Stokes Sauces

Ingredients

• 600g Diced Beef
• 1 White onion peeled and diced.
• 2 Carrots peeled and sliced.
• 2 Leeks, sliced.
• 1 Tbsp. Tomato Puree or Stokes Tomato Ketchup
• 25g Butter
• 25g Plain flour
• 2 Tbsp. English Rapeseed oil.
• Fresh Thyme
• 400 ml Beef Stock
• 500ml Dark Real Ale.
• 1 x 320g Ready rolled shortcrust pastry.
• 2 Tbsp. Stokes Brown sauce.
• Milk to glaze.