6 (1 oz) sqs. semisweet chocolate
1/4 c. butter
3/4 c. powdered sugar, sifted
2 T. water
1 tsp. vanilla
Combine chocolate & butter in top of double boiler; cook until melted.
Remove from heat; stir in remaining ingredients.  Stir until smooth.
Spread over cheesecake while glaze is warm.  Yield: enough for one 9"
cheesecake.

Source: The `86 Annual Recipes of Southern Living, recipe by Mrs. Randy Bryant 
from Franklin, VA.