Engel & EvaKool Ice Box

Shaker,
The Engel will happily operate as a freezer for days at a time if you are driving each day. I'm assuming you have a dual battery system??
We tend to do a similar thing when on extended trips away from food replenishment; but this is rarer than you might think.
IMHO there are 2 options:

(a) Take lots of frozen tucker and a few of those freezer bricks. Rotate the bricks into the ice box each day. Also, take the frozen stuff you plan to have for your evening meal in the morning and place in the ice box. This will gradually thaw during the day as well as keeping your drinks and other stuff cool.

(b) leave the ice box at home and rely only on the fridge. Fresh meat will last for several days in the fridge and it is possibly rare that you will not be near a town where you can get replenishments. EG: Coober Pedy to Birdsville. Of course if you're doing the CSR or one of those "epic" trips, it's back to option (a).

Also, don't discount the idea of relying on canned food etc after several days sees your fresh food supplies depleted.

we usually try to loosely "map-out" a menu for end of day meals (some call it "dinner" others call it "tea"). You know.......tonight= steak; day 2 = bangers; day 3= roast chook etc etc

Hi Shaker
We use a 85 ltr EvaKool fridge / freezer works really good we travel anywhere up to 3 months at a time always have cold drinks and good tucker have you considered using vacum pack meats our local butcher does it for us from sausages to steak, chicken to hamburgers, really great lasts for a month easy and only has to be kept cool. It works for us, sure beats baked beans.
Cheers
Barry