Double-Chocolate Sugar Cookies
["1 (12 oz.) pkg. semi-sweet chocolate morsels, divided", "1 c. butter or margarine, softened", "1 c. sugar", "1 large egg", "2 Tbsp. milk", "1 tsp. vanilla", "3 c. all-purpose flour", "1 tsp. baking powder", "1/2 tsp. salt", "1/2 c. sugar", "1/2 tsp. soda"]
["Melt 1 cup chocolate morsels in a heavy saucepan over low heat, reserving remaining morsels.", "Set melted morsels aside. Beat butter at medium speed with an electric mixer until fluffy; gradually add 1 cup sugar, beating well.", "Add egg, milk and vanilla, mixing well.", "Add melted morsels, mixing until blended. Combine flour and next 3 ingredients; gradually add to butter mixture, mixing well.", "Stir in remaining chocolate morsels.", "Roll dough into balls, one tablespoon at a time.", "Roll balls in 1/2 cup sugar.", "Place on lightly greased cookie sheets.", "Bake at 400\u00b0 for 8 to 10 minutes.", "(Cookies will be soft and firm up as they cool.) Remove to racks to cool.", "Yields 4 1/2 dozen."]
["semi-sweet chocolate morsels", "butter", "sugar", "egg", "milk", "vanilla", "all-purpose", "baking powder", "salt", "sugar", "soda"]