this video will teach you how to cook beef wellington here's what you'll need to cook a Wellington that serves four people you'll need a point eight eight pounds of tenderloin angus beef filet you'll need a English mustard to rub on before adding you'll need four slices of prosciutto ham point eight eight pounds of flat mushrooms we also use portobello mushrooms you'll need time last a puff pastry sheet to wrap it with serve your beef wellington with asparagus and mashed potatoes begin with searing your meat for 10 minutes until brown on all sides prep your pan with extra virgin olive oil next lay out your ham and then brush your meat with their English mustard you can wrap it with the ham but if it is too fragile you could just wrap it on top of the pastry sheet and mushrooms like we did grind up your mushrooms with a food processor until it looks about like what we have you need to fry all the water out of the mushrooms once your mushrooms are ready you may spread them on your pastry sheet and try wrapping your Wellington use the saran wrap as your guide you then egg wash your pastry by taking the yolk out of an egg and using the brush to evenly spread it like so this will make your Wellington a tannish brown color the last step before baking is to score your pastry with a knife to make it look elegant place your pastry inside the preheated oven at 425 degrees Fahrenheit for no longer than 10 minutes and you'll have yourself a perfectly cooked beef wellington enjoy