Vegan Tempeh Burger Recipe

Name: Vegan Tempeh Burger Recipe
Prep time: 25 min
Cook time: 45 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 10 ounces tempeh (1 block); 5 cups vegetable broth (or use water and a few veggie cubes); 1 tablespoon soy sauce (or Tamari); 1 small onion (diced); 1 ½ cups mushrooms (sliced, (about 5 button mushrooms)); 1 tablespoon vegan Worcestershire sauce (see notes for options); ½ teaspoon garlic powder; ¼ teaspoon cayenne pepper; ½ teaspoon ground black pepper; ½ - 1 cup vital wheat gluten ((seitan))