You Are a Chef, but You Still Have Fairy Fire?

Lin Wanrong traveled to another world with the "immortal fire". He thought he was just a cook who made fire to cook. Others rely on talent to become immortals, while he relies on cooking. Alchemy? No need, stirring the heat is the essence. Everyone thought he was an ordinary cook, until one day he cooked a pot of the legendary "Taixu Immortal Pill"...