It is Green, Yellow Or Orange peppers, which ever is your preference, added to the Potatoes and for the last minute of frying, once the potatoes are browned and the peppers are just getting tender add a couple of table spoons of soy sauce.
according to the following Wiki article this is what soy sauce is.
Soy sauce is produced by [a href="vny!://en.wikipedia.org/wiki/Fermentation_%28food%29" title="Fermentation (food)"]fermenting[/a] soybeans with [a href="vny!://en.wikipedia.org/wiki/Aspergillus_oryzae" title="Aspergillus oryzae"]Aspergillus oryzae[/a] and [a href="vny!://en.wikipedia.org/w/index.php?title=Aspergillus_soyae&action=edit&redlink=1" class="new" title="Aspergillus soyae (page does not exist)"]Aspergillus soyae[/a] [a href="vny!://en.wikipedia.org/wiki/Molds" title="Molds" class="mw-redirect"]molds[/a][sup id="cite_ref-0" class="reference"][a href="vny!://en.wikipedia.org/wiki/Soy_sauce#cite_note-0"][span][[/span]1[span]][/span][/a][/sup] along with roasted [a href="vny!://en.wikipedia.org/wiki/Cereal" title="Cereal"]grain[/a], water, and salt. It is used in traditional East and Southeast [a href="vny!://en.wikipedia.org/wiki/Asian_cuisine" title="Asian cuisine"]Asian cuisines[/a], but also appears in modern [a href="vny!://en.wikipedia.org/wiki/Western_cuisine" title="Western cuisine" class="mw-redirect"]Western cuisine[/a] and prepared foods.