You may prefer to use a leave in applique foundation product instead of freezer paper. No need to remove it. Appliquick makes one:
https://www.kathymcneilquilts.com/sh...-x24905304.htm
As does Sharon Schambers
https://purpledaisiesquilting.com/co...n-5-yds-reg-wt
You leave these products in and they wash up soft. I suspect there are others on the market but these are the two I know about.