Makes 8 servings
Ingredients:
1/2 cup butter
1 sweet potato, cubed
2 small leeks, chopped
1 cup chopped celery
1 tablespoon chopped fresh thyme
3 cloves garlic, minced
1/2 cup all-purpose flour
4 cups milk
1 1/2 pound whitefish fillet, cut into 2" cubes
1 1/2 cup halved green beans, blanched
1 1/2 teaspoon salt
1/2 teaspoon freshly ground pepper
1 package frozen puff pastry sheets, thawed
1 large egg yolk
1 tablespoon water
Preheat oven to 400 degrees F.