Name: Rhubarb and Baking Soda
Ingredients: 4 ounces tincture of rhubarb; 2 teaspoons common baking soda; a few drops tincture of cayenne (optional)

Rhubarb and Baking Soda

Ingredients

4 ounces tincture of rhubarb
2 teaspoons common baking soda
a few drops tincture of cayenne (optional)

Directions

Mix the tincture of rhubarb and baking soda together.
Take 2 teaspoons to 1 tablespoon as needed.
For improved flavor, add a few drops of tincture of cayenne.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.