Given the task definition and input, reply with output. In this task, you have to generate the named entities (NER) given its ingredients of the recipe. Named entities are the names of the items without their quantity.

1 (1 1/2 kg) filet of beef, olive oil, 30 g butter, 200 g foie gras pate (this is expensive chicken liver pate can be used instead), 4 ready prepared pancakes, 1 egg, beaten, puff pastry sheet, 70 g butter, 1 small onion, finely chopped, 300 g finely chopped mixed mushrooms (brown, blue, chantrelles or whatever is in season), 3 tablespoons heavy cream (double), 1 tablespoon chopped fresh parsley, salt & freshly ground black pepper, 1 cup madeira wine, 1 cup beef broth (store bought stock is fine), 1 teaspoon cornflour, 3 tablespoons of chopped black truffles (very expensive and can be omitted but the flavour it adds to the dish is well worth the price), butter
filet of beef, olive oil, butter, foie gras pate, egg, pastry sheet, butter, onion, mixed mushrooms, heavy cream, parsley, salt, madeira wine, beef broth, cornflour, black truffles, butter