Surprise Crackles
["2 (1 oz. sq.) unsweetened chocolate", "1/4 c. soft butter or margarine", "1 c. sifted flour", "1/4 tsp. salt", "1 tsp. baking powder", "1 c. sugar", "2 eggs", "1 tsp. vanilla", "powdered sugar", "1/4 c. nuts (optional)"]
["Melt chocolate and butter together in saucepan.", "Let cool until lukewarm.", "Sift flour with salt and baking powder.", "Add the sugar, eggs and vanilla to the chocolate-butter mixture.", "Beat well.", "Stir in flour mixture.", "Cover and chill dough overnight. You can add nuts to dough before chilling.", "Heat oven to 350\u00b0. Shape dough into small balls.", "Put powdered sugar in medium bowl. Roll cookie balls in it to coat completely.", "Place on greased baking sheet about 2 to 3 inches apart.", "Bake about 8 minutes. Remove pan from oven and take cookies from baking sheet to wire rack to cool.", "Makes about 90 cookies."]
["chocolate", "butter", "flour", "salt", "baking powder", "sugar", "eggs", "vanilla", "powdered sugar", "nuts"]