Sponge Candy
["1 c. sugar", "1 c. dark corn syrup", "1 Tbsp. dark vinegar", "1 Tbsp. baking soda", "melted chocolate"]
["Combine sugar, corn syrup and vinegar in large heavy 6 quart saucepan.", "Stir and cook over medium heat until sugar dissolves."]
["sugar", "corn syrup", "dark vinegar", "baking soda", "chocolate"]