Ingredients

  • 5 medium ancho chiles, stemmed and seeded
  • 1 tablespoon unsalted butter
  • 1 pound small white onions, trimmed but with the root end left intact, halved lengthwise
  • 4 garlic cloves, coarsely chopped
  • 1 cup turkey or chicken stock or canned low-sodium broth
  • 2 cups heavy cream
  • 1/4 cup tarragon leaves
  • 1 teaspoon salt
  • 1 teaspoon fresh lime juice

Method

  • Heat a large cast-iron skillet.
  • Add the anchos and toast over moderate heat, pressing down with a spatula, until fragrant and blistered, about 20 seconds per side.
  • Transfer to a plate and let cool, then cut the chiles into 1/2-inch pieces.
  • Melt the butter in a large skillet.
  • Add the onions and garlic, cover and cook over moderate heat, stirring, until the onions are softened, about 5 minutes.
  • Add the stock and cook until reduced by half, 6 to 7 minutes.
  • Add the anchos, cream and tarragon and cook over moderately low heat until the onions and anchos are tender and the cream is thickened, about 10 minutes.
  • Add the salt and lime juice, transfer to a bowl and serve.