Coffee-Walnut Fudge(Microwave Recipe)  
["3 c. sugar", "1 c. half and half", "3 Tbsp. light corn syrup", "1/4 tsp. salt", "1 Tbsp. instant coffee powder", "2 tsp. hot water", "4 Tbsp. butter (1/2 stick)", "1/4 tsp. vanilla", "1 c. walnuts, coarsely chopped"]
["About 1 1/2 hours before serving or day ahead:", "In 5-quart glass or glass-ceramic casserole, combine sugar, half and half, syrup and salt.", "Cook on High 5 to 7 minutes until mixture comes to a full boil, stirring occasionally.", "Set microwave-safe candy thermometer in place.", "Continue to cook on High 7 to 10 minutes or until temperature reaches 240\u00b0 or soft ball stage (when a small amount of mixture dropped into a bowl of cold water forms a soft ball that flattens on removal from water)."]
["sugar", "light corn syrup", "salt", "coffee powder", "water", "butter", "vanilla", "walnuts"]