Mix together dry ingredients with a fork or whisk in small sauce pan.
Pour in 1 tablespoon vegetable broth to dry mixture. Stir until a thick paste forms. Add more broth as needed to form a cohesive paste.
Slowly add in vegetable broth until mixture reaches a thin consistency. Bring mixture to a boil on the stove, stirring with whisk continuously. After 2 minutes of boiling, lower to a simmer. Continue to stir until sauce coats the back of a metal spoon without sliding off. It's now ready to use!