If, for example, you try to make a half batch of meringue in a 6-quart mixer ... things by hand is tedious and exhausting, but for cake batters and light and airy meringues, KitchenAid mixers ...
We've tested the best stand mixers from top brands, but we always come back to KitchenAid ... That said, I don't think I would make multiple batches of bagels in a row to avoid overheating ...