Chocolate Chip Cookie Bar
["1 c. butter", "3 c. brown sugar", "4 eggs", "3 c. flour", "1 tsp. soda", "1 tsp. salt", "1 c. chopped nuts (optional)", "1 1/2 c. chocolate chips", "3 tsp. vanilla", "powdered sugar"]
["Combine butter, sugar, eggs and extract.", "Beat well.", "Add sifted flour, soda and salt.", "Mix well.", "Add nuts (optional) and chips.", "Bake at 350\u00b0 in large jelly roll pan for 25 minutes.", "Cool for 10 minutes, dust with powdered sugar and then cut into bars."]
["butter", "brown sugar", "eggs", "flour", "soda", "salt", "nuts", "chocolate chips", "vanilla", "powdered sugar"]