Glaze ingredients for cake?

Thanks for your suggestions!

Hopefully the recipe's author will show up- typically for a cake this size you use about 1/2c. preserves- the lemon is apparently just for flavor (as the glaze is reduced), maybe 1 Tb. or so. However, this recipe allows most of the glaze to slide off onto the plate to be eaten with a spoon, so the sky would seem to be the limit.