1 Egg
1 sheet Puff pastry
Pepper
Salt
1 cup Peas, frozen
1/2 cup Whole milk, or half-and-half
1/2 cup All-purpose flour
1 tsp. Fresh thyme
1 cup Mushrooms, sliced or chopped
2 Medium carrots, diced small
2 Celery stalks, diced small
1/2 Medium yellow onion, diced small
4 tbsp. Unsalted butter
1 1/2 cups Chicken broth
2 Boneless, skinless chicken breasts, diced