English Toffee
["1 lb. butter (not margarine)", "2 c. sugar", "3/4 to 1 lb. almonds, chopped", "semi-sweet chocolate chips", "slivered almonds"]
["Butter 11 x 17-inch cookie sheet well.", "Toast almonds 10 minutes at 300\u00b0 (watch carefully not to burn).", "Combine in saucepan, butter, sugar and almonds, stirring constantly, to 300\u00b0. Pour on cookie sheet; sprinkle on top semi-sweet chocolate chips; spread with spatula until melted.", "Sprinkle", "on slivered almonds when cool completely and break up like peanut brittle."]
["butter", "sugar", "almonds", "semi-sweet chocolate chips", "almonds"]