Place the flour, seasoning, onion and garlic powder, paprika and vegetable soup mix and in a large bowl. Mix until well combined.
Add 1 cup water and mix well.
Place on a clean surface. Knead until smooth and pliable about 10 minutes.
Place dough back into bowl and cover. Let sit for 1 hour.
Cover dough with water and knead again a few times. Pour off water. Place dough into a sieve. Rinse dough under running water until it runs mostly clear and dough becomes stringy.
On a clean surface, stretch out dough a few times. Twist it and tie it twice into a knotted ball. Flatten a bit and dust with flour.
Heat a little oil in a large skillet over medium high heat. Fry seitan until browned on both sides.
Add 2 cups vegetable stock and reduce heat to medium low. Let seitan simmer for 20 minutes, stirring periodically, flipping it once.
Check for doneness by cutting a small piece off. It undercooked, return to skillet and cook up to 220 minutes more.
Remove from heat and let cool slightly.
Prepare seitan as you wish or freeze for later.