|Sugar||1 1⁄2 Cup (24 tbs)|
|Hot water||1 1⁄2 Cup (24 tbs)|
|Unsweetened chocolate||2 Ounce (2 Squares)|
|Cornstarch||1⁄3 Cup (5.33 tbs)|
|Cold water||1⁄4 Cup (4 tbs)|
|Rum/Brandy extract||1 Tablespoon|
Combine sugar, hot water, and chocolate in heavy saucepan.
Over medium heat, bring to a boil.
Lower heat and cook for 5 minutes, stirring constantly.
Mix cornstarch and cold water to a smooth paste.
Stir mixture into chocolate syrup.
Cook for 3 or 4 minutes, stirring constantly to avoid lumping.
Remove from heat.
Blend in extract.
Beat until cool enough to spread.
Makes enough for top and sides of two 8-inch layers, about 2 cups.