Blondie's Microwave Butter Toffee

In a large microwave safe bowl, mix sugar, butter, water, and corn syrup. Microwave on high power (100%) 4 minutes; stir

Stirring every 2 minutes, microwave 6- 8 minutes longer or until mixture thickens and turns golden. Stir in vanilla.

Pour mixture into an ungreased 9 x 13 inch baking pan. Sprinkle chocolate chips over hot toffee; spread with a spatula.

Before chocolate hardens, sprinkle with walnuts. Cool completely. Break into pieces. Store in an airtight container.