ANSWERS: 5
  • yeast activity shows it is alive(that little bacteria) when it bubbles up
  • Yeast doesn't "rise"! Whatever ingredients you mix with it to make a dough rises.
  • Bubbles show something is alive in there. It may not be everything, though. You may want to try baking a small loaf of bread, to see how it turns out. I have an old jar of yeast (more than 6 months opened, refrigerated) that didn't do too well on its own, but made a beautiful loaf of bread with a little wheat gluten added. You may try that, if the first loaf doesn't work.
  • Tricky without seeing it - if it froths then it should be ok, but if it's a bit of a weak froth, then I'd add extra yeast to the recipe to give it a boost. The test doesn't have to double in size, only the dough.
  • Trissinger !!! WOW So nice to hear from you, glad you're still out there somewhere ! But I would toss it and buy new, with yeast, there could be a problem, and you don't want to ruin your dish. Have a very special Thanksgiving ! 8) +6

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