The whole ball of leaves are. There is a core at one end that should be cut out. You can shred cabbage, dice it, slice it thinly. You can use it in salads (cole slaw) or boil it or steam it. Some people either love or or don't like it at all.
cabbage seeds
You are eating the head of the cabbage plant.
The leaves
Cabbage is a vegetable plant, usually grown in a garden, and has been cultivated for hundreds of years. The cabbage originated in Western Europe.
The part of the cabbage plant that we eat is a dense head of leaves borne on a relatively short stem; the loose leaves that grow below the head are also edible. In the case of other cabbage-family plants such as broccoli and cauliflower (and the more recently developed hybrid, broccoflower), we usually eat the clusters of undeveloped flower blossoms, but the leaves of these plants are also edible.
The edible part of cabbage is the condensed flower, also known as the inflorescence. It is the cluster of flowers that forms the head of the cabbage plant and is harvested and consumed in various culinary dishes.
Yes, cabbage do have seeds. These seeds are the ones you plant to grow cabbage.
Cabbage is a biennial plant that is grown as if it was an annual (as are carrots).
in the ground.
Space
the only way to get eyeball cabbage is to fight with plant bosses or to win plant mini-game.
Cabbage is cut off the plant at the base of the head.