INGREDIENTS
1 package
puff pastry sheets
1/3 cup
unsalted butter
1 cup
red onions
1 cup
carrots
1/2 cup
celery
1 tbsp
garlic
1/2 tsp
dried thyme
8 oz
brown mushrooms
1 1/2 lb
russet potatoes
1 tsp
kosher salt
1/2 tsp
black pepper
1/3 cup
flour
1 1/2 cups
vegetable stock
1 cup
whole milk
1 cup
peas
1 tbsp
parsley
1 large
egg