One Possible Reason Your No-Bake Cookies Didn't Set - Tasting Table
Briefly

For perfect no-bake cookies, be sure to use a candy thermometer when boiling the syrupy mixture, as the key to success lies in precision.
No-bake cookies perfectly illustrate the science of cooking, requiring careful attention to temperature and proper techniques to achieve the ideal chewy texture.
Using a pot with high sides for boiling helps securely attach the candy thermometer, ensuring you monitor the mixture’s temperature closely for successful results.
Many people fail to set their no-bake cookies because of temperature issues; removing the fudge from heat prematurely results in sugary globs that won’t harden.
Read at Tasting Table
[
]
[
|
]