Easy Classic Duck a l'Orange Recipe

Ingredients (12)

• 1/4 cup sugar
• 2 tablespoons water
• 2 tablespoons sherry vinegar
• 1 1/2 cups orange juice
• 2 tablespoons minced shallots
• 1 1/2 cups chicken stock
• 1/4 cup (4 tablespoons) unsalted butter, cold
• 2 tablespoons orange zest, divided
• 4 oranges, sections cut from membranes
• 1 duck breast, cut into 2 halves
• Sea salt, to taste
• Freshly ground black pepper, to taste