Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/2  package       (17-1/2-ounce size) frozen -- Puff pastry,thawed (
   1      package       (3 ounces) cream cheese -- Cut into cubes
   1      tablespoon    Milk
   1      tablespoon    Dijon mustard
   2      cups          Cut-up cooked chicken
   1      cup           Frozen green peas
   1                    Egg yolk
   1      tablespoon    Cold water
     1/2  teaspoon      Poppy seed
   1      small         Onion -- chopped
     1/4                cup)
     1/4  teaspoon      Salt

Preparation:

Heat oven to 400 degrees. Roll pastry into rectangle, 15 X 10 inches, on lightly floured surface. Place on ungreased cookie sheet. Make 2-inch cuts at 1-inch intervals on long sides of rectangle. Heat cream cheese, milk and mustard in 2-quart saucepan over medium heat, stirring constantly, until smooth. Stir in chicken, onion, peas and salt. Spoon chicken mixture down center 4 inches of rectangle. Lift pastry over filling, crisscrossing strips over top. Beat egg yolk and cold water; brush over braid. Sprinkle with poppy seed. Bake about 25 minutes or until pastry is puffed and deep golden brown.