INGREDIENTS
1
trimmed and cut into cubes 2 lb. beef tenderloin
6 oz
Cremini mushrooms
1 tbsp
Rosemary
2
Shallots
1
Egg
1/4 cup
Dijon mustard
1
Black pepper, Freshly ground
1
Kosher salt
1 tbsp
Vegetable oil
2
sheets Puff pastry, frozen
1 tbsp
Butter