1.5kg beef fillet, 400g button mushrooms, 1kg wild mushrooms (oyster mushrooms, morels, horns of plenty, chanterelle...), 400g puff pastry (made the day before), 2 shallots, Truffle, 1 egg yolk, 10cl oil, 40g unsalted butter, 40cl thick brown veal stock...
Before starting this Boeuf en Croûte recipe, make sure you have organised all the necessary ingredients. Remove the strings and bard from the beef fillet. Sear in a frying pan with a little olive oil. Sear the beef piece on all sides until golden. Transfer the meat onto a paper towel. Clean the button mushrooms and slice. Sauté in a frying pan with a knob of butter and half of the sliced shallots. ...