https://www.tastingtable.com/1293772/roasting-tip-caramelize-butternut-squash-from-frozen/
There is one thing you have to be sure to do to ensure your frozen squash becomes caramelized and creamy rather than bland and mushy.
butternut squashroastingtipcaramelizefrozen
https://www.tastingtable.com/2075988/caramelized-onions-different-methods/
We tested out six ways to caramelize onions. Some resulted in delicious and dynamic onions while others were lackluster.
i triedways tothis onedifferentcaramelize