Recipe notes and substitutions:
Use good bread and homemade or high fruit content jam.
Use plant-based spread for a veggie and vegan version.
Raspberry and Strawberry jam is traditional for these sandwiches, but use any berry jam or fruit curd you have to hand.
Can be made ahead of time, cover with cling-film, or a damp tea towel to stop them from going hard. and curling around the edges.
Great for picnics and the school lunchbox.