Lesson 10 – Cook a steak Sauce Diane #cookingclassics Steak Diane (2 portions) 2 150g Fillet steak Seasoning 1 Shallot (diced) 1 Garlic (diced) 80g Mushroom (chestnut) 30g Butter 100ml Cognac 200ml Beef sauce 1tsp Worcestershire sauce 1tsp Dijon mustard 100g Crème fraiche 2g Chopped Tarragon 2g Chopped Chives - Start by seasoning your steak on all sides. (make sure it is room temperature) Sear in a hot pan. - Give each side approx. 2 minutes, add the butter and baste for another minute. Leave to