Maple Sponge Candy - cooking recipe

Ingredients

1 cup maple syrup
1/2 cup granulated sugar
2 teaspoons distilled white vinegar
2 teaspoons baking soda

Preparation

Butter a 9 x 9-inch pan and set aside.
In a heavy 2-quart saucepan, combine the syrup, sugar and vinegar.
Bring to a boil over medium heat, stirring constantly until the sugar dissolves.
Continue cooking without stirring until a candy thermometer reads 300\u00b0F Remove from heat and quickly stir in the soda; mix well.
Pour into prepared pan. Do not spread.
Cool and break into pieces.