Per serving??

I'm a bit confused. I'm looking on the WW app trying to work out a homemade shepards pie.
Now- tesco healthy living extra lean steak mince 500g is Comming up at 4pp per serving!!
Now what's a serving???
There's no weights in which would make it easier to work out a serving!!
Any help much appreciated
Leah x

I bump the serving to g and move the value to the same points as the serving was to find out.
easiest way I've found is to weight all going in, add them up in points and weight and then divide by how much you split your dish into (both points and weight). The recipe builder on ww online is helpful too

Iv decided to do that!! Will make it a bit easier!! It will all go in my belly in the long run .
Over the next couple off days lol!!
So far 8pp without the mash