Shrimp Potstickers

Name: Shrimp Potstickers
Ingredients: 2 egg whites; 1 tablespoon cornstarch; 1/2 pound rock shrimp, drained and chopped; 2 cloves garlic, minced; 1 shallot, minced; 2 tablespoons chopped parsley leaves; 1/2 cup chopped napa cabbage; 2 tablespoons mascarpone cheese; 1 lemon, juiced; 1 teaspoon ground black pepper; 12 potsticker skins or won ton wrappers; 2 tablespoons peanut oil; Ponzu Dipping Sauce; 1/3 cup soy sauce; 2 oranges, juiced (about 1/4 cup); 1 tablespoon rice wine vinegar; Pinch red pepper flakes; 2 tablespoons sliced scallions