Melt the butter and add the oil in a large frying pan. Fry the eggplant first, then put in the parsnip and lastly the chanterelles. Add the thyme, salt, and pepper.
If necessary, grill the bread high up in the oven. Distribute the salad on the bread and place on the chanterelle cutter.
Mix all ingredients for the dressing, save some blue cheese to garnish.
Roll the dressing over the sandwiches and garnish with blue cheese.