Editor's note: this recipe is excerpted from "Flying Apron's Gluten-Free & Vegan Baking Book" by Jennifer Katzinger, Sasquatch Books - available at amazon.com. CLICK HERE TO BUY BOOK NOW Pumpkin...

BAKED SEITAN WITH VEGAN MUSHROOM GRAVY 1 package (about 1 pound) seitan 5 cloves garlic, minced 1 medium yellow or white onion, sliced thin 1/4 cup shoyu or good quality...