- 1
Brown the onion. Melt vegan butter in a saucepan over medium heat. Add finely diced onion and cook for 8–10 minutes, stirring occasionally, until golden brown. This develops flavor to replace the missing bouillon.
- 2
Add garlic. Stir in minced garlic and cook for another minute.
- 3
Make the roux. Sprinkle flour over the onions and butter. Stir constantly for 2–3 minutes until the flour turns light golden brown.
- 4
Add water gradually. Slowly whisk in the 4 cups of water, starting with about ½ cup to make a smooth paste. Continue adding water while whisking to prevent lumps.
- 5
Season the gravy. Stir in soy sauce, nutritional yeast, onion powder, garlic powder, thyme, black pepper and optional smoked paprika and tomato paste.
- 6
Simmer. Cook over medium-low heat for 5–8 minutes, stirring frequently, until thickened.
- 7
Taste and adjust. Add salt only if necessary because soy sauce already contributes plenty. Add a little more water if the gravy becomes too thick.