Second City Diner Veggie Burger

A hearty vegetarian burger made with mushrooms, oats, and savory seasonings. These homemade patties are packed with wholesome ingredients and perfectly seasoned with soy sauce, onion, and garlic for a delicious meat-free alternative.

8 servings
1 hr 47 min

Ingredients

  • 4 cups water
  • 1 whole onion
  • 3 stalks celery
  • ¼ cup low-sodium soy sauce
  • 2 teaspoons onion powder
  • 2 teaspoons garlic powder
  • ½ teaspoon freshly ground black pepper
  • 3 cups rolled oats
  • 12 ounces mushrooms
  • ½ cup white whole wheat flour

Cooking Instructions

  1. 1.

    Place the water in a large pot with the onion, celery, soy sauce, onion powder, and garlic powder. Bring to a boil, reduce the heat, and simmer for 5 minutes. Stir in the oats, mushrooms, and flour and cook 5 minutes longer. Transfer to a bowl and chill for at least 1 hour, preferably longer.Preheat the oven to 350°F.Shape the mixture into burger-sized patties and place on the baking sheets. Bake for 15 minutes. Remove from the oven and let rest for 5 minutes. Carefully flip over and bake 10 more minutes.Before serving, place the baked patties on a nonstick griddle and grill for about 7 minutes on each side, until browned. Serve on buns with topping of your choice.

    107 min