Blend together dry ingredients, and then quickly mix in the rest of the liquid ingredients. This will turn into a spongy elastic ball. Knead this 5-10 times. Set aside.
Tahini Mix
Saute the chopped onion in the oil until clear. Mix together all of the remaining ingredients.
Split the gluten mixture into four pieces. In food processor, blend one piece of the gluten mixture with 1/4 of the tahini mixture until just combined. Be careful not to process until smooth. Repeat with the rest of the pieces of gluten and tahini mixture until everything is combined together.
Push into a greased 9 x 11-inch baking pan. Bake at 375ºF for 40 minutes. Once baked, cut into strips and spread BBQ sauce over the strips. Place on a baking sheet and bake an additional 20 minutes.