If you are a jam-making novice, raspberry jam is a good one to start with as it’s so quick, from BBC Good Food.
Simple plum jam- green plums (add cinnamon, nutmeg and tablespoon vanilla)
Strawberry jam - James Martin's step-by-step guide to making homemade preserve
How To Make Quick Refrigerator Jam Without Pectin
My grandmother always served this jam made with plums from her garden along with her afternoon tea cakes.