Clean and wash the corncobs. Cook in boiling water for about 30 minutes. In the meantime, wash the basil and cut it finely, except for a little bit for garnishing. Wash the chives and cut into small rolls. Mix herbs and quark.
Season to taste with salt and pepper. Wash the steaks and dab dry. Peel onions, cut into rings. Heat oil. Fry the steaks and onions for about 5 minutes, turning them over. Season with salt and pepper and take out. Melt butter in the frying fat. Add a sprig of rosemary. Arrange steaks and onion rings and quark in portions with one corncob each.
Season with salt and pepper and take out. Melt butter in the frying fat. Add a sprig of rosemary. Arrange steaks and onion rings and quark in portions with one corncob each. Drizzle the cobs with rosemary butter. Serve garnished with fresh herbs and salad leaf