Sponge Candy - cooking recipe

Ingredients

1 c. white sugar
1 Tbsp. vinegar
1 c. dark corn syrup
1 Tbsp. baking soda

Preparation

Combine sugar, corn syrup and vinegar in heavy pan.
Cook over medium heat, stirring until sugar dissolves.
Continue cooking without stirring to 310\u00b0 on a candy thermometer.
Remove from heat.
Quickly stir in soda.
Mix well.
Pour in buttered 9-inch pan.
Cover with melted chocolate when cooled.