I just tried if cooking pork's ear into adobo will taste good, and I was not disappointed , its delicious. Wanna try? Here is the recipe for this.

Ingredients:
2 pork's ear
4 tablespoons soy sauce
2 tablespoons vinegar
1 lime or 2 calamansi 
3 cloves garlic
ground pepper

Procedure:
1.Boil the pork's ear until tender, slice to your desired size and set aside.
2. Saute the garlic then add the pork's ear and soy sauce, simmer until the color is bright brown by allowing the soy sauce to infused with the ears.
3. Add the rest of the ingredients and simmer until done.
4. Serve hot.