saleratus

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

Dissolve a tea spoonful of saleratus, in a tea cup of milk, and strain it into the cake.

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

Hot milk, a little fried pork, two of the eggs, and a loaf of saleratus bread were all she had to offer, but it was very welcome to the hungry travellers.

From A Round Dozen by Susan Coolidge

Some people use only a tea spoonful of saleratus, to a pint of molasses, but it is much better with more, appearing in point of lightness like sponge cake.

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

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