For a richer flavor, use bone-in chicken thighs, cook them until tender, shred the meat, and reserve the broth for another use. If using fresh corn, blanch the ears for a few minutes, then cut the kernels off the cob. You'll need about 6 ears of corn for this recipe. Adjust the amount of raisins and olives to your preference. Some people prefer a sweeter or saltier Pastel de Choclo. For a golden brown crust, broil the top for the last 2-3 minutes, watching carefully to avoid burning.