– 2 tablespoon olive oil – 4 clove garlic, crushed into paste – 2 dozen shrimp – 2 teaspoons salt, (or more, to taste), cantidad dividida – 1 teaspoon pepper (freshly-cracked, or ground), (or more, to taste), cantidad dividida – 1½ cup oil for frying – 4 plantain – 1 avocado – Juice of 1 lime – Cilantro, or parsley, for garnishing