chicken pot pie

Ingredients

1 cup potato, diced
1 cup onion, diced
1 cup celery, diced
1 cup carrot, diced
1⁄3 cup melted butter
1⁄2 cup all-purpose flour
2 cups chicken broth
1 cup half-and-half
1 teaspoon salt
1⁄4 teaspoon pepper
4 cups chicken, cooked and chopped
2 pie crusts (either store bought or your own recipe)