Fennel Roasted Cauliflower with Burnt Onion Labneh

2 brown onions 2 cups Greek yoghurt 1 cauliflower, cut into florets 2 tbsp fennel seeds olive oil salt & pepper To make the labneh, strain the yoghurt in a clean tea-towel or muslin cloth overnight or for at least a few hours, until most of the liquid has seeped out. Slice the onions in […]