Chocolate-Filled Cream Puffs - cooking recipe

Ingredients

1 c. water
1/2 c. butter or margarine
1/4 tsp. salt
1 c. unsifted all-purpose flour
4 eggs
1 1/4 c. sugar
1/3 c. Hershey's cocoa
1/3 c. cornstarch
1/4 tsp. salt
3 c. milk
3 egg yolks, slightly beaten
2 Tbsp. butter or margarine
1 1/2 tsp. vanilla
confectioners sugar

Preparation

Heat water, 1/2 cup butter and 1/4 teaspoon salt to rolling boil in medium saucepan.
Add flour all at once; stir vigorously over low heat, about 1 minute, or until mixture leaves sides of pan and forms a ball.
Remove from heat; add eggs, one at a time, beating well after each addition until smooth and velvety.