Have used my 3.5 liter Grunn for about a month now, I love it for soups.. as I cook on a wood fire to start I can then leave it to the Grunn to do the rest . I have also used it for the morning porridge and the rice at night it really is a versatile...

I have only used it as a cooler so far - just placed the inner pan with lid overnight in bottom of fridge. No ice. Placed 2 cokes, some fruit, small carton milk. In the morning, put the insert into the thermal cooker and left it for 5 hours in approx...