In a large bowl, combine the vital wheat gluten, nutritional yeast, salt, vegetable broth powder, garlic powder, onion powder, and paprika.
In another bowl, whisk together the soy sauce and tomato paste.
Pour the wet mixture into the dry and mix well. It may seem too dry initially, but refrain from adding more liquid. The more you mix, the more it will get incorporated.
Knead the dough on your countertop for a couple minutes, and then shape into a log.
In a medium pot, bring water to a boil along with more vegetable broth powder and soy sauce. Reduce to a simmer and then add the seitan log.
Cook for 60 minutes. Once done, remove from pot and allow it to cool. Slice it, and use as a meat substitute in all your favourite dishes!