Family Tested & Approved
brown sugar, firmly packed
Combine egg whites , brown sugar , water and corn syrup in top of a double broiler ; mix well
Place top of double broiler over boiling water and beat constantly with a electric hand mixer until mixture forms peaks ; about 7 minutes.
Remove from heat of the boiling water and add the vanilla and continue to beat until frosting is cool and thick enough to spread.
Makes enough frosting to frost tops and sides of two 9" cakes. (a layer cake )