Butter Crunch Toffee

1 pound butter
2 cups granulated sugar
1/4 cup water
2 tablespoons white syrup

Frosting:
1 (6 ounce) bag milk chocolate chips, melted
1/4 cup finely chopped nuts

In a 2-quart saucepan, melt butter and sugar. Add water and syrup. Cook over low heat to 300 degrees F (crack stage). Pour into jellyroll pan. Cool. Spread with frosting and break into pieces.