Want to make beef wellington? Well here's a recipe for it:

1.5 pound (650g) beef tenderloin (ideally thick center cut)
2 tablespoons (24ml) high heat oil like canola
salt and pepper to taste
good dijon mustard for brushing
1.5 sheets of puff pastry (or just one if you want to skip the lattice)
6-8 slices prosciutto

Duxelles:
1 pound (468g) mushrooms (can be a mix or just be all cremini)
2 shallots
3 cloves garlic
2 tablespoons (24ml) olive oil
3 tablespoons (44ml) whiskey optional
leaves from 2 sprigs of fresh thyme *also optional)
salt and pepper to taste

Crepe:
3.5 tablespoons (51g) all purpose flour
140ml whole milk
1 egg
salt to taste

Egg wash:
2 egg yolks
1 tablespoons (14ml) water