08Remove from the heat and pour over the matzo, covering completely.
09Place the baking sheet in the oven and immediately reduce the heat to 350°F.
10Bake for 15 minutes, checking every few minutes to make sure the mixture is not burning.
11If it seems to be browning too quickly, remove the pan from the oven, lower the heat to 325°F, and replace the pan.
12Remove from the oven and sprinkle immediately with the chopped chocolate or chips.
13Let stand for 5 minutes, and then spread the melted chocolate over the matzo.
14While still warm, break into squares or odd shapes.
15Chill, still in the pan, in the freezer until set.
16(It wasn't completely necessary to cut or break the pieces apart until after it was good and solid.) As a variation, use"coarsely chopped white chocolate or a combination of white and dark, and chopped or slivered toasted almonds, sprinkled on top as the chocolate sets.
17You can also omit the chocolate for a caramel-alone butter crunch.