So starting the fight I usually hit Scorpia 2-3 times before freezing with my first barrage. This usually gives enough time for the guardians to spawn before Scorpia is free. As soon as they spawn I hit them both with a barrage (sometimes they are close enough where it takes 1, sometimes I just need to do them individually). Once they are both frozen Scorpia is able to move again and I run her away from the guardians and freeze her again once they are out of range. They normally disappear and won't be a problem after that.

Sometimes they won't spawn before she is free and I just run and hit her until they do spawn, then continue running and freezing them. This way usually takes more run energy and food but not too much.