Ingredients

  • 1 stalk of fresh lemongrass, tender inside only
  • 3 tablespoons canola oil
  • 2 garlic cloves, thinly sliced
  • 1 shallot, thinly sliced
  • 1 tablespoon chopped fresh ginger
  • 1 1/2 pounds large shrimp, shelled and deveined, shells reserved
  • 1 tablespoon tomato paste
  • 1/2 cup dry white wine
  • 3 cups water
  • 2 tablespoons fresh lime juice
  • Salt
  • Freshly ground pepper
  • Cayenne pepper
  • 1 1/2 teaspoons minced tarragon
  • 3 mangoes (about 14 ounces each), peeled and cut into 1/2-inch dice

Method

  • Thinly slice the bottom 4 inches of the stalk of lemongrass.
  • Heat 1 tablespoon of the oil in a medium saucepan.
  • Add the garlic, shallot, lemongrass and ginger and cook over low heat until softened, about 5 minutes.
  • Add the shrimp shells and cook, stirring, until bright pink, about 3 minutes.
  • Add the tomato paste and cook, stirring until glossy, about 2 minutes.
  • Add the white wine and bring to a boil.
  • Add the water and simmer over low heat for 30 minutes.
  • Remove the shrimp stock from the heat and let stand for 10 minutes.
  • Strain the stock, pressing hard on the solids.
  • Return the stock to the saucepan and boil until reduced to 1/3 cup, about 20 minutes; let cool.
  • Whisk in the lime juice and the remaining 2 tablespoons of oil and season with salt and pepper.
  • Season the shrimp with salt, pepper and cayenne and steam until just opaque throughout, 3 to 5 minutes.
  • Stir the tarragon into the dressing.
  • In a large bowl, toss the mangoes with 1/4 cup of the dressing and mound on plates.
  • Top with the shrimp, drizzle on the remaining 1/4 cup of dressing and serve.