Name: Cottonseed Oil Soap
Ingredients: 16 pounds refined cottonseed oil; 16 pounds tallow; 9 pounds silicate of soda; 2 pounds caustic lye; 64 pounds water; perfume to taste

Cottonseed Oil Soap

Ingredients

Directions

Warm the cottonseed oil, palm oil, and tallow to 115°F (46°C).
In a tight frame, combine the warmed oils and tallow.
Warm the rosin and mix it with a small amount of weak lye to keep it fluid, then add to the oils.
Add the caustic lye and silicate of soda to the mixture.
Stir the mixture for 7 to 10 minutes until smooth.

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.