This streamlined version of a Filipino comfort favorite is speedy in your Instant Pot® multi-cooker, and there's only one pot to clean. Adobo in the Philippines has its origins in the Malay practice of preserving meat in vinegar and/or salt and differs from the Mexican sauce or Caribbean seasoning known by the same name. The soy sauce in Filipino adobo reflects Chinese influences and largely replaces salt in the dish. Mixed with vinegar and aromatics, it makes a deliciously savory base for the dish and an excellent sauce for the rice that accompanies it.
Achieving a good sear on the chicken is crucial for developing deep flavor before pressure cooking; don't overcrowd the pot, browning in batches if necessary. The reduction phase is vital for the adobo's signature rich, thick sauce, so be patient and stir occasionally to prevent scorching. For an extra layer of complexity, consider adding a splash of coconut milk during the final reduction, which can mellow the acidity and add a subtle richness. Always taste and adjust seasoning after reduction, as flavors concentrate significantly. A touch of freshly cracked black pepper at the end can elevate the dish's aroma and finish.