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Today’s equivalent of a cake of yeast

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Q: Today’s equivalent of a cake of yeast

I came across one of my mother's cookbooks from 1954. A lot of the baked goods call for "1 cake of yeast". What would be the equivalent of this in today's supermarket?

Answer

You can find fresh cake yeast in grocery stores, but it's much less common than active dry yeast granulates.

1 cake of fresh yeast is approximately the same as 1 envelope/packet of active dry yeast. 1 packet usually equals about 2¼ teaspoons, or ¼ ounce, or 7 grams of active dry yeast granules.