This is easy to make. Sautee mushrooms and onions in butter and add a dash of A1 and worcestshire. Set aside to cool. Thaw puff pastry (an hour or 2.before dinner) sheets and separate. Roll out thin. Sear filet mignon steaks, set aside to rest/cool. Preheat oven to 400. Assemble - place mushroom mixture in center of pastry sheet place steak on top and wrap. Place on sheet pan with cooking spray seam side down. Scramble an egg and 'wash' with a pastry brush. Cook avg 15-20 mins. Temp it to perfection. The fingerling potatoes you just half, season in olive oil, salt pepper rosemary and place on a sheetpan cut side up with the wellingtons to cook.

Special tip : make them heart shaped for valentines day or special occasion.

Pics http://imgur.com/a/m8c6i

https://i.imgur.com/9dr14GU_d.jpg?maxwidth=640&shape=thumb&fidelity=high