Easy Microwave Butter Toffee
- 1 1/3 cups sugar
- 1 cup butter
- 2 tablespoons water
- 1 tablespoon dark corn syrup
- 1 teaspoon vanilla extract
- 3/4 cup semi-sweet chocolate chips
- 2/3 cup chopped walnuts
Line a 13×9-inch baking pan with ungreased aluminum foil; set aside.
Place sugar, butter, water, and corn syrup in a large microwave-safe bowl. Microwave on high setting for 4 minutes; stir. Heat an additional 6-8 minutes, stirring every 2 minutes, until thickened and golden.
Add vanilla, stir well. Pour into prepared baking pan. Sprinkle chocolate chips over top; spread melted chocolate. Sprinkle with walnuts. Let cool completely; break into pieces.