Soy Braised Duck Breast

Name: Soy Braised Duck Breast
Ingredients: 4 duck breasts; 1 2/3 cups teriyaki sauce; 1/4 cup soy sauce; 1 1/2 tablespoons Sichuan peppercorns; Two 1-inch pieces ginger, peeled and one minced; Vegetable oil, for cooking; 1 apple, sliced; 1 bunch asparagus, cut into 2-inch-long pieces; 1 bunch red Russian kale; 1/4 cup pickled red onion liquid (store-bought is fine!) plus pickled onions, for serving; Kosher salt; Juice of 1 lemon; 2 tablespoons roasted/salted and crushed almonds; Fresh dill, for serving