Chocolate Toffee Bark
["saltines", "1 c. butter", "1 c. sugar", "1 tsp. vanilla", "6 oz. chocolate chips", "1/2 c. walnuts, crushed"]
["Line a 10 x 15-inch cookie sheet with foil.", "Place saltines in a single layer (salt side up).", "In saucepan, boil butter, sugar and vanilla for 3 minutes until bubbly and syrupy.", "Pour over crackers.", "Spread evenly.", "Bake at 375\u00b0 for 5 minutes.", "Remove and pour chocolate chips over crackers.", "Let sit 2 minutes, then spread chocolate evenly.", "Sprinkle with nuts.", "Refrigerate until cold, then break up into squares."]
["saltines", "butter", "sugar", "vanilla", "chocolate chips", "walnuts"]