Halibut without chervil tomatoes cilantro yolks

1 tablespoon extra virgin olive oil 1 large Spanish onion , chopped 1 large leek , white and tender green parts, halved lengthwise and sliced crosswise 1/4[...]

3 grapefruits (preferably 2 white and 1 pink or red) 1/4 cup dry white wine 1 shallot , minced 2 tablespoons white wine vinegar 5/8 cup unsalted butter , cut[...]

3 grapefruits (preferably 2 white and 1 pink or red) 1/4 cup dry white wine 1 shallot , minced 2 tablespoons white wine vinegar 5/8 cup unsalted butter , cut[...]