We bought this black, glazed pot from an Asian store.
This video shows an inexpensive and intuitive way of putting together a solar cooker.A worn out car shade is the make shift reflector in this case. A 4 quart glass bowl is used to hold the 1.25 quart black glazed clay bowl and lid that can trap a lot of heat and cook foods faster. Besides, cooking in clay pots always enhances flavors. Try out this easy to make appliance that does not leave a hole in your pocket.