2 cups diced peeled potatoes
1-3/4 cups sliced carrots
1 cup butter, cubed
2/3 cup chopped onion
1 cup all-purpose flour
1-3/4 teaspoons salt
1 teaspoon dried thyme
3/4 teaspoon pepper
3 cups chicken broth
1-1/2 cups whole milk
4 cups cubed cooked chicken
1 cup frozen peas
1 cup frozen corn
4 sheets refrigerated pie crust