Sounds like you're wearin' a pack........use it. I try to always take a pack on "deep" days. Take it off and use it as a "snowshoe" for your hand to push yourself up.
That is very good advice.
Turning so that your toes are facing uphill can make it a lot easier. Getting up from on your knees is easier than on your butt.
If you have your poles out, you can also make an "X" with them and push up from the center of the X.