Step by step
Take the rose petal jam and stir with a spoon for a while to make it smoother and less thick (this jam is much more dense and gelatinous than a normal fruit jam).
Tips
If your raspberry coulis were to develop too dark a colour, you can add a little more lemon juice to adjust it.
Trivia
Lychee cultivation takes place in China for two thousand years and this fruit is thought to be a lucky charm.