We love the lattice top on this classic dinner entree!

- 1 sheet frozen puff pastry
- 4 tablespoons butter
- 1/4 cup chopped onion
- 1/4 cup chopped celery
- 1/4 cup chopped carrot
- 1/4 teaspoon salt
- 2 tablespoons flour
- 2 cups milk
- 1/2 cup heavy cream
- 1 teaspoon “Better Than Bullion” chicken base
- 2 cups cooked chicken, chopped
- 1/2 cup frozen peas
- 1/2 teaspoon chopped fresh thyme, plus more for garnish if desired
- 1 egg, beaten slightly with a fork