Special ingredients
Fish: It's from fishing. Different kinds of fish will provide different ingredients (even if it only changes color).
Golden plant: it is produced under the influence of agricultural talent and has additional cooking properties.
Golden larval meat: obtained by killing larvae, with additional cooking characteristics.
Amber of giant mushroom/larva: increases the upper limit of maximum health, with fewer generations and no fixed area.
Appearing position
Larval amber is in the stone area, and then the player finds it in the clay area.
Giant mushrooms can be found in mud and clay areas. It can open a new world and then only dig mud areas. Mud areas don't come out, just open a new world, soon.