English Toffee Bars
["1 c. butter (may use 1/2 shortening)", "1 c. brown sugar", "1 egg, beaten", "2 c. flour", "1 tsp. vanilla", "1/2 tsp. salt", "1 (6 oz.) pkg. chocolate chips", "finely chopped walnuts"]
["Cream butter and sugar.", "Add beaten egg, flour, salt and vanilla.", "Spread 1/4-inch thick in a 9 x 13-inch pan.", "Press down with a spoon or fingers.", "Bake at 375\u00b0 for 15 to 20 minutes.", "Melt the chocolate chips and spread over bars while still hot. Sprinkle with finely chopped walnuts."]
["butter", "brown sugar", "egg", "flour", "vanilla", "salt", "chocolate chips", "walnuts"]