After traveling through time, Su Xiaochoi was bound to the cheating food system and used expired ingredients to make mustard ice cream, which was mistaken by a cultivator for a lost alchemy technique. The steward of Baiyunguan came to kick him out, but was overpowered by the instant noodles she cooked. As popcorn in the rice cooker triggers celestial phenomena and stinky tofu suppresses inner demons, this unlucky girl who just wants to earn rent has somehow become a highly sought-after food cultivator in the world of cultivation.