Beef Burger With Blue Cheese, Pancetta And Creamy Mushroom Sauce Recipe

Ingredients For Beef Burger With Blue Cheese, Pancetta And Creamy Mushroom Sauce Recipe

• 800 gram Minced beef mince
• 1 Brown onion, peeled and finely chopped
• 4 Cloves garlic, peeled and minced
• 3 teaspoon Tomato paste
• 2 teaspoon Dijon mustard
• 2 tablespoon Worcestershire sauce
• 2 tablespoon Horseradish Cream
• 200 gram Swiss brown mushrooms, cut into 1cm slices
• 3 sprig Fresh thyme, leaves stripped
• 200 milliliter Creme fraiche
• 8 Thin slices round pancetta
• Good quality tomato relish
• 1 bunch Watercress
• 4 Slices castello burger blue cheese
• 4 White burger buns
• flakes Sea salt flakes and freshly ground black pepper