Seafoam Frosting

1/4 cup granulated sugar
1 1/4 cups firmly packed light brown sugar
1/2 cup water
1/4 tsp. salt
3 egg whites, stiffly beaten
1 tsp. vanilla

Combine granulated and brown sugar, water and salt in a 1 quart saucepan. Place over heat, stirring constantly, until sugar dissolves. Wipe crystals from side of pan as necessary. Boil, without stirring, until temperature reaches 244-246 degrees on a candy thermometer or until firm ball stage. Gradually beat hot syrup into beaten egg whites. Add vanilla. Continue beating until frosting reaches desired spreading consistency.

Seafoam Frosting (using corn syrup)

2/3 cup brown sugar
1/4 cup corn syrup
2 egg whites
2 tbsp. water
1/4 tsp. salt
1/4 tsp. cream of tartar

Combine all ingredients in double boiler, beating constantly with electric mixer until mixture stands in peaks. Add 1 teaspoon vanilla.