Preparation Combine Beaujolais, chopped shallots, balsamic vinegar, crushed peppercorns, and crushed coriander seeds in medium saucepan. Boil until reduced to 1 1/2 cups, about 12 minutes. Add orange juice and boil 5 minutes. Add chicken broth and boil until reduced to 3 cups, about 15 minutes. Strain. Do ahead Sauce can be made 2 days ahead. Cover and chill. Preheat oven to 250°F. Using sharp knife, score skin of duck breasts diagonally to create 3/4-inch-wide diamond pattern. Sprinkle duck with salt and pepper. Heat 1 large and 1 medium skillet over medium-high heat. Place 2 duck breasts, skin side down, in large skillet and remaining duck breast in medium skillet. Cook until skin is brown and crisp, about 8 minutes. Turn; cook until brown and thermometer inserted into center registers 130°F for medium-rare, about 6 minutes. Transfer to rimmed baking sheet and place in oven to keep warm. Drain kumquats , reserving syrup. Pour off fat from skillets, reserving 2 tablespoons fat in large skillet for sauce. Heat large skillet with fat over medium-high heat. Add reserved sauce and 4 1/2 tablespoons reserved kumquat syrup. Boil until sauce is thickened and reduced to 3/4 cup, about 5 minutes. Slice duck breasts crosswise into 1/2-inch-thick slices. Divide duck breast slices among 6 plates. Drizzle duck with red wine sauce, garnish with candied kumquats, sprinkle with crushed peppercorns, and serve.
Preparation Combine Beaujolais, chopped shallots, balsamic vinegar, crushed peppercorns, and crushed coriander seeds in medium saucepan. Boil until reduced to 1 1/2 cups, about 12 minutes. Add orange juice and boil 5 minutes. Add chicken broth and boil until reduced to 3 cups, about 15 minutes. Strain. Do ahead Sauce can be made 2 days ahead. Cover and chill. Preheat oven to 250°F. Using sharp knife, score skin of duck breasts diagonally to create 3/4-inch-wide diamond pattern. Sprinkle duck with salt and pepper. Heat 1 large and 1 medium skillet over medium-high heat. Place 2 duck breasts, skin side down, in large skillet and remaining duck breast in medium skillet. Cook until skin is brown and crisp, about 8 minutes. Turn; cook until brown and thermometer inserted into center registers 130°F for medium-rare, about 6 minutes. Transfer to rimmed baking sheet and place in oven to keep warm. Drain kumquats , reserving syrup. Pour off fat from skillets, reserving 2 tablespoons fat in large skillet for sauce. Heat large skillet with fat over medium-high heat. Add reserved sauce and 4 1/2 tablespoons reserved kumquat syrup. Boil until sauce is thickened and reduced to 3/4 cup, about 5 minutes. Slice duck breasts crosswise into 1/2-inch-thick slices. Divide duck breast slices among 6 plates. Drizzle duck with red wine sauce, garnish with candied kumquats, sprinkle with crushed peppercorns, and serve.