If you can seriously get that almost bready-yeast taste then it isn't ready to bottle. Did you rerack off the lees into a new container and let it sit? You want to make sure you do that until there are virtually no lees.
don't know how newbie you are so....
lees = yeasty sludge at the bottom of the fermented
rerack = siphon off into another container of equal volume for continued fermentation and clearing. Avoid mixing air (and thus oxygen) during reracks!
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