|Firmly packed brown sugar||1 Cup (16 tbs)|
|Evaporated skim milk||1⁄2 Cup (8 tbs)|
|Butter/Margarine||2 1⁄2 Tablespoon|
|Corn syrup||2 Teaspoon|
|Powdered sugar||2 Cup (32 tbs)|
|Vanilla extract||2 1⁄2 Teaspoon|
|Evaporated skim milk||1 1⁄2 Teaspoon|
Combine first 5 ingredients in a medium saucepan; bring to a boil over medium-high heat.
Reduce heat, and simmer 5 minutes or until thick and golden brown.
Remove from heat.
Add powdered sugar and vanilla; beat at medium speed of a mixer until smooth and slightly warm.
Add 1 1/2 teaspoons milk, 1/2 teaspoon at a time, for a more spreadable consistency, if needed.