Add the rhubarb, preferably in one layer, cover with a lid, then turn the heat down and cook gently for 4-5 minutes until tender but still retaining its shape.
Remove the rhubarb from the pan with a slotted spoon and set aside.
Reduce the liquid by half, stir in the orange blossom water and pour over the rhubarb. Leave to cool completely.
To serve, put spoonfuls of the compote on top of the panna cotta just before eating.
Recipe by Autoimmune Wellness at https://autoimmunewellness.com/orange-blossom-panna-cotta-rhubarb-compote/