Line the bottom and the 2 long sides of a 22 x 13cm loaf pan with baking paper with overhang for easy removal
Trim the crust off each side of the loaf and discard.
Cut the remaining bread into 3 long rectangular 2cm-thick slices to fit within the pan.
Place a slice in the bottom of the pan and top withone-third of the jam and one-third of the whipped cream.
Repeat the layering 2 more times. Using a flat blade knife, smooth the top layer of cream.
Cover with plastic wrap and freeze for 4 hours.
Remove and transfer to a serving platter. Slice while still frozen, then thaw before serving.