Layered Toffee Cake
["2 c. whipping cream", "1/2 c. caramel or butterscotch ice cream topping", "1/2 tsp. vanilla extract", "1 (16 oz.) prepared angel food cake", "9 Heath candy bars (1.4 oz. each), chopped"]
["Beat cream cheese just until it begins to thicken.", "Gradually add the ice cream topping and vanilla. Beat until soft peaks form."]
["whipping cream", "caramel", "vanilla extract", "cake"]