- Preheat oven to 400 F. 
- In a small bowl, combine the garlic, ginger, and five-spice powder; season to taste. - 2 garlic cloves, 1 tbsp. fresh ginger, 2 tsp. Chinese five-spice powder, Sea salt and freshly ground black pepper 
- Rub the mixture onto the duck breasts. - 2 large duck breasts 
- In a cast iron skillet, melt the cooking fat over medium-high heat and sear the duck breast, skin side down, for 4 to 5 minutes on each side. - Cooking fat 
- Transfer the skillet to the oven and roast for 7 to 8 minutes, or until you reach the desired doneness, then let rest. 
- Add the asparagus to a skillet with melted cooking fat over medium heat, stirring for 4 to 5 minutes. - 1 bunch of fresh asparagus 
- Pour balsamic vinegar and season to taste; stir until well combined, and cook for another minute. - 2 tbsp. balsamic vinegar, ¼ cup chicken stock 
- Remove from the heat and cover for a few minutes, allowing the flavors to develop. 
- Cut the duck breasts into thick slices and serve with the asparagus.