Velvet Corn Soup With Crab And Ham

Name: Velvet Corn Soup With Crab And Ham
Ingredients: 2 tablespoons unsalted butter; 1 tablespoon vegetable oil; 4 large shallots, minced; Salt; 10 ears of corn, shucked and kernels cut from the cobs; 1 teaspoon minced fresh ginger; 1/4 cup dry white wine; 3 cups plus 2 tablespoons chicken stock or low-sodium broth; 6 paper-thin slices of country ham or prosciutto, cut into thin strips; 2 large eggs; 2 scallions, thinly sliced; 6 ounces lump crabmeat, picked over; Chile oil, for drizzling