10 to 15 minutes. It takes about 10 minutes to cook pig ears in pressure cooker. If you like to eat soft and rotten pig ears, you can increase the cooking time appropriately. Pig ears are relatively large, so they can be cleaned before cooking and cut in half, which can shorten the cooking time. When cooking pig ears, you can add seasonings such as onions, ginger slices, garlic and dried peppers as appropriate.