This is one of my favorite bistro staples, which I feature in Ruhlman’s Twenty. The recipe uses a classic red wine vinaigrette. Pairing it with a member of the onion family, abundant shallots, results in a great bistro dish, the preparation showcases the power of red wine vinaigrette to illuminate cooked cold vegetables. The quality of the vinegar is critical, so its worth buying a good one. The vinaigrette can also be made with a good Spanish sherry vinegar. Leeks Vinaigrette Serves 4 4 large leeks or 8 small leeks 1/4 cup/60 milliliters red wine vinegar 1 tablespoon Dijon mustard 1 tablespoon honey Kosher salt Freshly ground black pepper 3/4 cup/180 milliliters canola oil 1/4 cup/170 grams minced shallots 4 hard-boiled eggs, yolks and whites finely chopped 1 tablespoon sliced fresh chives Trim the roots Read On »

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