The layer on the outside of a Wellington steak is the puff pastry. The puff pastry of Wellington steak is wrapped with foie gras, mushroom puree, ham, and steak, and because the steak goes into the oven to be baked, the outermost layer of puff pastry is usually brushed with egg wash. The finished Wellington Steak has a crispy, flavorful crust and the steak is soft and smooth.

The outer layer of the Wellington steak is the puff pastry. The pastry of Wellington steak is wrapped with foie gras, mushroom puree, ham, and steak, and because the steak goes into the oven to bake, the outer layer of pastry is usually brushed with egg wash. The finished Wellington Steak has a crispy and flavorful crust and the steak is soft and smooth.