Rocky Road Crunch Bars - Nigella Lawson - cooking recipe

Ingredients

10 ounces semisweet chocolate
9 tablespoons unsalted butter, softened
3 tablespoons golden syrup or 1/4 cup corn syrup
8 ounces digestive biscuits (or other hard, plain cookie) or 8 ounces ginger snaps (or other hard, plain cookie)
2 cups mini marshmallows
2 tablespoons powdered sugar

Preparation

Melt chocolate, butter and golden syrup together over low heat.
Put digestive biscuits in a ziptop bag. Bash with a rolling pin until you have a mixture of coarse and fine crumbs.
Remove 1/2 cup of the melted chocolate mixture and set aside. Add biscuit crumbs and marshmallows to the chocolate remaining in the pan. Mix thoroughly. Turn out into a 9\" square pan. Pat out flat. Drizzle reserved chocolate over the top.
Refrigerate several hours or overnight. Dust top with powdered sugar and cut into 24 bars.