Mixed-Nut Spiced Toffee

Preparation Butter small rimmed baking sheet. Melt butter in heavy medium saucepan over low heat. Add next 6 ingredients; stir until sugars dissolve. Attach clip-on candy thermometer to pan. Increase heat to medium; boil until thermometer registers 290°F, stirring slowly but constantly and scraping bottom of pan with wooden spatula, about 20 minutes. Remove pan from heat. Mix in 1 1/2 cups nuts. Immediately pour candy onto sheet. Spread toffee to 1/4-inch thickness. Immediately sprinkle chocolate atop toffee. Let stand 1 minute. Using back of spoon, spread chocolate over toffee. Sprinkle with 1/2 cup nuts. Chill 1 hour. Break toffee into pieces. (Can be made 2 weeks ahead. Chill in airtight container. Let stand at room temperature at least 30 minutes and up to 1 hour before serving.)

Preparation Butter small rimmed baking sheet. Melt butter in heavy medium saucepan over low heat. Add next 6 ingredients; stir until sugars dissolve. Attach clip-on candy thermometer to pan. Increase heat to medium; boil until thermometer registers 290°F, stirring slowly but constantly and scraping bottom of pan with wooden spatula, about 20 minutes. Remove pan from heat. Mix in 1 1/2 cups nuts. Immediately pour candy onto sheet. Spread toffee to 1/4-inch thickness. Immediately sprinkle chocolate atop toffee. Let stand 1 minute. Using back of spoon, spread chocolate over toffee. Sprinkle with 1/2 cup nuts. Chill 1 hour. Break toffee into pieces. (Can be made 2 weeks ahead. Chill in airtight container. Let stand at room temperature at least 30 minutes and up to 1 hour before serving.)