saleratus

Dissolve a tea spoonful of saleratus, in half a tea cup of water and strain it into the cake, knead in flour till quite stiff.

From The New England Cook Book, or Young Housekeeper's Guide Being a Collection of the Most Valuable Receipts; Embracing all the Various Branches of Cookery, and Written in a Minute and Methodical Manner by Anonymous

Biscuits were made of flour, using a little corn meal for shortening and saleratus for raising.

From Collection of Nebraska Pioneer Reminiscences by Daughters of the American Revolution. Nebraska

I have been raised on too much saleratus in the bread, and I know it.”

From Molly Brown's Post-Graduate Days by Nell Speed

If saleratus is used in bread where no acidity is present, it is a medicine; or, if you please, a poison both to the stomach and intestines.

From Vegetable Diet: As Sanctioned by Medical Men, and by Experience in All Ages Including a System of Vegetable Cookery by William A. (William Andrus) Alcott

I might also mention several other additions, which, like saleratus, it is becoming fashionable to make.

From Vegetable Diet: As Sanctioned by Medical Men, and by Experience in All Ages Including a System of Vegetable Cookery by William A. (William Andrus) Alcott