1.1 lbs of sugar. 1 lemon (just the juice, to intensify the flavor and help preserve). How to Make Plum Jam, Step by Step Preparing the plums: Wash the plums thoroughly, remove the pits ...

When a crumble has been achieved, add in the oats and lemon zest. Mix well. Sprinkle the crumble mixture over the plum mixture in the dish, then bake in the oven for 40-45 minutes, or until the ...