Philippe serves this vegetable ragout with deep-fried sweetbreads, but it is also a wonderful dish served at room temperature by itself as a first course.
Put the coriander seeds and the olive oil in a large nonreactive saucepan and bring almost to a boil. Remove from the heat and let sit for 15 minutes to infuse the oil.
Add apinch of cayenne, the lemon juice, leek, pearl onions, garlic, and a