Harry Potter'S Ton-Tongue Toffee - cooking recipe

Ingredients

2 cups sugar
8 tablespoons butter
1/2 teaspoon rum or 1/2 teaspoon vanilla extract
1 1/2 cups water

Preparation

Place all ingredients in a heavy saucepan.
Stir over medium heat until sugar is dissolved.
Stop stirring and bring to a boil and temp reaches 290 degrees on a candy thermometer.
Pour into a buttered 9x12 inch pan.
Let cool until almost firm to the touch.
Mark into 2 inch squares with a sharp knife.
When cool break into squares or shards.