Heat oven to 200C/180C fan/gas
6. Whizz bread to chunky crumbs
in a food processor. Spread over
a large baking tray and bake for
10-12 mins, stirring now and then
until evenly crisp. Scrape into a
bowl and stir in the butter, sugar
and cinnamon. Reduce oven to
160C/140C fan/gas 3.
Put the plums, sugar and
cornflour into a large lidded pan.
On the heat, stir for 1-2 mins until
the cornflour is incorporated. Add
200ml water, cover and simmer for
Layer up the plums and crumbs
in an ovenproof dish, finishing
with a layer of crumbs, and bake
for 20 mins.