Chocolate Chocolate Chip Cookies
["2 c. flour", "1 tsp. baking powder", "1/2 tsp. baking soda", "1/4 tsp. salt", "1/2 c. butter", "2 1/2 oz. unsweetened baking chocolate", "1 1/2 c. sugar", "2 eggs", "1 tsp. vanilla", "1/2 c. sour cream", "2 c. chocolate chips", "1 c. nuts"]
["Preheat oven to 375\u00b0.", "Combine flour, baking powder, baking soda and salt.", "Using a wire whisk, mix dry ingredients thoroughly; set aside.", "In saucepan, melt butter and unsweetened baking chocolate; stir constantly until melted.", "In a large mixing bowl, beat sugar, eggs and vanilla until blended.", "Add chocolate and butter mixture.", "Add dry ingredients, 1/3 at a time alternately with sour cream, mixing well after each addition.", "Stir in chocolate chips and walnuts.", "Drop by tablespoons onto ungreased cookie sheets.", "Bake 10 to 12 minutes at 375\u00b0.", "Transfer from hot baking sheet to cool surface immediately.", "Yields 5 dozen cookies."]
["flour", "baking powder", "baking soda", "salt", "butter", "chocolate", "sugar", "eggs", "vanilla", "sour cream", "chocolate chips", "nuts"]