I thought I would post it to inspire others who may not want to heat in a freezer bag.
Using these disposable bowls is both super light and super cheap a win win.
The photos are fairly self explanatory
The aluminum tape cost about $10 the black underlay insulation was free and I payed $1 for the bowl o soup which taste particularly great when consumed outdoors.
I tested the insulated bowl against the non insulated with boiling water and a IR thermometer with good results.
The outside of the cozy vs inside water temperature
Cozy - 94* / Water 199*
5 minutes 91* and 192*
10 minutes 89* and 182*
as a bonus it kept some 5 minute rice I tested hot for over 20 minutes.
Without Cozy
The outside of the bowl was as hot as the inside
And all temperatures were at least 10* cooler then the insulated bowls readings.
DIY Ultralight Cozy for bowls
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