The Duchess Bakes a Cake

Put this in the Berry category:

"She added some eggs, several dozen, well-beaten,
And some left-over pudding that they hadn't eaten.
Bilberries, gooseberries, cranberries, bogberries,
Blackberries, mulberries, burberries, dogberries;
Peppermint, cinnamon, laurel and squill,
Wintergreen, nutmeg, angelica, dill --
Whatever she found she put into the batter,
And what she left out didn't really much matter...."