Biff Stroganoff

I N G R E D I E N T S 700–800gr before thigh 2tbsp rapeseed oil 1 large yellow onion 1 clove of garlic about 2 tablespoons butter 1tbsp tomato puree 1tbsp paprika powder 1dl dry white wine or dry sherry 1tbsp French mustard 2dl veal broth 2dl crème fraiche or sour cream 1dl…