Heat a skillet.
Add the oil and the flour.
Roast the flour until it gives off a nutty odor.
If not cool, it will lump when the water is added.
Add the water and mix well with a whisk.
Add the salt.
Bring to a boil.
Cover and simmer on low heat for 30 minutes, stirring occasionally.
Add the tamari, mix, and simmer 5 more minutes.