Chocolate Chunk Brownies
["6 Tbsp. butter or margarine", "3/4 c. packed light brown sugar", "1 egg", "1 Tbsp. milk", "1 tsp. vanilla extract", "1 c. all-purpose flour", "1/2 tsp. baking soda", "1/8 tsp. salt", "1/2 c. coarsely chopped walnuts", "1 3/4 c. (10 oz. pkg.) Hershey's Treasures or chocolate chunks"]
["Heat oven to 350\u00b0.", "Grease square 9 x 9 x 2-inch pan.", "In large mixing bowl, cream butter and brown sugar until light and fluffy.", "Add egg, milk and vanilla; beat well.", "Combine flour, baking soda and salt.", "Add to creamed mixture.", "Stir in nuts, if desired, and chocolate treasures or chunks.", "Spread into prepared pan.", "Bake 20 to 25 minutes or until lightly browned.", "Cool completely; cut into bars."]
["butter", "brown sugar", "egg", "milk", "vanilla extract", "flour", "baking soda", "salt", "walnuts", "chocolate"]