Heat the oil in a medium saucepan over medium heat.
Put the broth in a 4 cup pyrex measuring cup and set in the microwave and heat on high for 5 minutes. This helps speed up the process.
Add the rice flour and constantly stir for 4 minutes. After 4 minutes, add the onion powder, garlic powder and pepper. Keep stirring for 1 minute. If the mixture changes color that is ok.
Grab a whisk, pour the hot broth into the saucepan, and add the bay leaf. Whisk constantly until all is incorporated and it comes to a boil. It's okay if the oil is not emulsifying with the broth.
Reduce to medium-low heat and simmer for 5 minutes. Stir occasinoally.
Remove the bay leaf and taste for salt. Enjoy!
Notes
Store in an airtight container for up to 3 days. To reheat, pour the gravy into a small saucepan and set over medium-low heat. Stir occasionally until the gravy comes to a simmer. Remove from the heat and serve.