If you cannot find the sugar called for, use ordinary white. Cook on full power 4-6 mins. Strain raspberries into measuring jug. Stir sugar and agar agar into juice. Stir until dissolved, then leave to cool slightly.
Divide raspberries between four serving dishes.
Pour juice over fruit, leave to set. Decorate with rosette of whipped cream. I grew up there. We also collected blackberries to make jam, my aunts also made strawberry jams and blackcurrant jam because they grew them . I will search them out.