Combine TVP and dry spices in medium bowl. In a small bowl, combine water, ketchup, and soy sauce, and stir until blended. Pour this into TVP mixture and combine well. Let rest 5-10 minutes.
Add peanut butter and mix until incorporated, then stir in flour and yeast flakes. Shape into 4 flat patties, about 4 inches in diameter. Brown patties on each side in heavy skillet with a little oil.
