Just add the peanut butter immediately after it reaches soft ball stage and stir until it melts into the mixture. (southernplate.com)
If you don't have a candy thermometer, cook until it reaches soft ball stage. (freecoconutrecipes.com)
We noticed that even though she would go to the bathroom there were times when soft balls of stool would form that would hard for her to pass out. (easybabylife.com)