The present invention relates to a self-heating pouch for heating consumables and method of manufacture thereof. The self-heating pouch includes a flexible housing and a sealable cap. The flexible housing includes an internal pouch, an external pouch, and at least one frangible button. The internal pouch includes an inner surface and an outer surface. The inner surface of the internal pouch is configured to enclose the consumables. The external pouch is attached internally to the outer surface of the internal pouch. The at least one frangible button is included between the external pouch and the internal pouch. The at least one frangible button is configured to release a liquid to react with a heating agent and initiate heating of the consumables. The sealable cap is attached to top of the flexible housing and configured to dispense the consumables.