1 aubergine, sliced in half lengthways and then into 1cm/陆in-thick semi-circles
2 cooked beetroots, sliced into 1cm/陆in-thick rounds
1 large carrot, cut into ribbons using a vegetable peeler or mandoline
1 courgette, sliced into 1cm/陆in-thick rounds
4 onions, sliced
6 sprigs fresh thyme
800g/1lb 12陆oz tomatoes (on the vine), cut in half
1 x 400g tin flageolet beans, drained
1 x 400g tin haricot beans, drained
salt and freshly ground black pepper
8 tbsp olive oil
50驳/1戮辞锄 butter