In a large bowl, cream the butter, add the sugar, and beat until light and fluffy. Add the egg and beat hard. Blend in the cooled and melted chocolate. Sift the dry ingredents togetherand add to the creamed mixture alternately with the Dr. Pepper, starting with the flour, then the Dr. Pepper, and finally the remaining half of the flour. Mix slowly. Add the vanilla and nuts, blend well, and spread on wax paper. Form into 2-inch roll, wrap in foil, and chill in refrigerator until ready to bake. Slice to desired thickness, place on cookie sheet, and bake in oven preheated 375 F oven for 10 12 minutes, until browned. From -Chocolate Crazy"Miss Grimble" Sylvia Hirsch ----