200g/7oz chard, cut into 2cm/戮in strips (thick stalks 1cm/陆in)
2 garlic cloves, thinly sliced
陆 garlic clove, crushed
陆 lemon, juice only, to serve
2 baking potatoes
400g tin cannellini beans, drained
1陆 tbsp tahini
salt and freshly ground black pepper
陆 tsp cumin seeds or ground cumin
1 tbsp olive oil
100g/3陆oz Greek yoghurt