If you need a small oven that does not take up lots of space and uses the sun to operate the Global Sun Oven may be what you are looking for. Following are features that make this solar oven stand out and is worth looking at for an oven for your tiny house. The cool thing is that this is also made here in America.
One Piece Collapsible Reflectors
The GLOBAL SUN OVEN® can be set up for use or taken down for storage in a matter of seconds. The reflectors literally fall into place at an angle that allows you to maximize the power of the sun.
The reflectors are made of highly polished, mirror-like anodized aluminum that can be cleaned quickly and easily with glass cleaner, and they will never oxidize or rust.
There is never any need to worry about your food spilling in a GLOBAL SUN OVEN®. While cooking, your food rests on a shelf that self adjusts to always stay level as you refocus.
Easy Temperature Monitoring
A built in thermometer allows you know the temperature at a glance.
Self-Contained Leveling Leg
As the sun is at different points on the horizon the GLOBAL SUN OVEN® can readily be adjusted to follow it. A simple adjusting leg allows you to choose from 9 angled positions.
Extremely Well Insulated
A thick batt of non-toxic insulation retains heat. Food cooked in the sun and left in the oven will remain hot for hours. Cold air is held out allowing the GLOBAL SUN OVEN® to be used on sunny days year around regardless of the ambient temperature.
Light Weight, Easy to Carry
The GLOBAL SUN OVEN® weighs only 21 pounds (9.5 kg), folds up like a suitcase, and is equipped with a handle for easy transport.
To learn more visit http://www.sunoven.com
I have also seen a couple of videos on Youtube for building your own sun oven so this could also be an option.
Watch how it works in the videos below.