Warm Spinach Salad with Creamed Salt Cod Toasts

A warm or “wilted” spinach salad is the perfect way to learn the principles of wilted or warm, leafy greens salads: season and acidify the greens and herbs and any garnish (like vegetables or meats) first, then pour over the hot oil or fat. Rendered bacon fat is traditional, but rendered duck or poultry fat, or country ham fat, or mixtures of oils like nut oils and olive are also wonderful.

The choice of acid is between vinegar and citrus juices, and I particularly like sherry vineg