Ingredients
½cupdry white wine
1tbsppure olive oil,(plus 1 tsp)
1½tspgrainy mustard
1tsprosemary,chopped
4½duck breasts
6ozkumquats
½cupsugar
½cupwater
salt and freshly ground pepper
2mediumshallots
1tbspdijon mustard
Preparation
In a shallow dish, combine the wine with 1 teaspoon of the olive oil and ½ teaspoon each of the grainy mustard and rosemary
Add the duck breasts and turn to coat.
Cover and refrigerate for 30 minutes.
Meanwhile, bring a medium saucepan of water to a boil.
Add the kumquat slices and simmer over moderately high heat for about 5 minutes until tender.
Drain the kumquat slices.
In the same saucepan, combine the sugar and water and bring to a boil stirring to dissolve the sugar.
Add the kumquat slices and simmer over moderate heat for 8 minutes.
Transfer the kumquats along with the sugar syrup to a heatproof bowl.
In a large skillet, heat the remaining 1 tablespoon of olive oil.
Remove the duck breasts from the marinade; reserve the marinade.
Season the duck breasts with salt and pepper and cook over moderately high heat for about 3 minutes until browned on the bottom.
Turn the duck breasts, reduce the heat to moderate and cook for 2 to 3 more minutes until browned on the bottom and medium rare.
Transfer the duck breasts to warmed plates.
Add the shallots, jalapeño and remaining rosemary to the skillet and cook over moderately low heat for about 4 minutes until softened.
Add the reserved duck marinade and simmer for about 3 minutes over moderately high heat until syrupy.
Add the kumquats and their syrup and bring to a simmer.
Blend in the Dijon mustard and remaining 1 teaspoon of grainy mustard and remove from the heat.
Season with salt and pepper.
Pour the kumquat sauce over the duck breasts and serve.