compressed yeast

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com·pressed yeast

the moist living cells of Saccharomyces cerevisiae combined with a starchy or absorbent base.
References in periodicals archive ?
compressed yeast cake or 1 tablespoon dry yeast powder.
One cup of this mixture is equivalent to one package of active dry yeast or one cake of compressed yeast.
Since it is hard to separate the yeast from the water, starch is often added to absorb the water and the mixture is made into cakes and sold as compressed yeast.