Looking for the way to your man’s heart? This steak sandwich recipe should do the trick.
In a pot add onions to oil and butter, brown onion, thyme and bay leaf. Cook on low heat for 10 minutes until soft.
To make the mayonnaise: Whisk egg yolk with mustard until smooth. While whisking, add oil in a thin, steady stream until thickened. Add 1 tbsp of the vinegar and whisk till combined. Add a little lemon juice, horseradish and garlic. Season to taste.
In a hot pan sear the steaks on each side for no more than 1 ½ minutes on each side. Once cooked put aside and let rest. On a griddle pan grill the sour dough briefly to toast it.
To assemble place a layer of the mayonnaise and tomato relish on each side of the sourdough. Add the steak, cornichon, onions, tomato, cheese and watercress. Sandwich together and dig in!