1: Preheat the oven to 190°C.
2: Prep the red onions by quartering them and leaving the roots on.
3: Drizzle the onions with about a tablespoon of olive oil and sprinkle with salt.
4: Roast the onions in the oven for 40 minutes until they are soft, juicy, and crispy around the edges.
5: In a food processor, whip together the feta, greek yoghurt, garlic, and a pinch of salt until smooth and spreadable.
6: Spread the whipped feta on a plate.
7: Top the whipped feta with the roasted onions, balsamic vinegar, walnuts, and chives.
