Chocolate Yogurt Fudge
["2 c. sugar", "1 small carton vanilla yogurt", "3 Tbsp. cocoa powder", "2 Tbsp. light corn syrup", "2 Tbsp. butter or margarine", "1 tsp. vanilla", "1/2 c. coarsely chopped nuts"]
["Butter the sides of a heavy 2-quart saucepan.", "In it, combine sugar, yogurt, cocoa and corn syrup; cook and stir over medium-high heat, until sugar is dissolved and mixture comes to a boil.", "Continue cooking over medium-high heat to 234\u00b0, stirring frequently.", "Remove from heat.", "Add butter and vanilla; do not stir.", "Cool to lukewarm (110\u00b0).", "Add nuts; beat vigorously until fudge becomes very thick and just starts to lose gloss. Immediately spread in a buttered 9 x 5 x 3-inch pan.", "Score while warm; cut when cool.", "Makes about 1 1/2 pounds."]
["sugar", "vanilla yogurt", "cocoa powder", "light corn syrup", "butter", "vanilla", "nuts"]