(Taken directly out of Veganomicon... if you don't have it I highly recommend you get it!).
Ingredients:
1 cup cooked chickpeas
2 tablespoons olive oil
1/2 cup wheat gluten
1/2 cup breadcrumbs (oats also work)
1/4 water or vegetable broth
2 tblsp soy sauce
2 gloves of garlic, grated
optional: lemon zest, lime juice, herbs, spices
Method:
1. Mash/Food process the chickpeas & the oil until no whole chickpeas are left.
2. Mix in the remaining wet ingredients.
3. Mix in the wheat gluten and the breadcrumbs.
4. Knead the mixture for a few minutes until all ingredients are mixed together and it resembles stringy dough
5. Divide mixture into 4 equal pieces
6. Knead each peice again and work into a circle shape then flatten out to form a burger
7. Fry each side with a little oil for around 5 minutes, alternatively you can brush with oil and bake each side for around 15 minutes at 190C.
Looks something like this (but try not to burn them like I did
)
and this is the second homemade seitan recipe attempt born from that famous night talk 
