Portobello Mushroom and Onion Burger Topping

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  • Total: 20 min
  • Prep: 20 min
  • Yield: 4 servings
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4 ounces portobello mushroom

1/2 cup chopped onion

1 teaspoon olive oil

1/4 cup water

1/4 cup steak sauce or vegan steak sauce

1 package Grillers Prime® Veggie Burgers, Grillers® Vegan Veggie Burgers, or Grillers® Original

4 hamburger buns


  1. 1. Saute mushrooms and onion in olive oil in large saucepan for 3 to 4 minutes. Add water and cover with lid. Simmer another 3 to 4 minutes. Remove lid and add steak sauce.
  2. 2. Prepare veggie burgers according to package directions.
  3. Serve burger on bun with warm topping.
  5. Preheat grill
  6. Use a food thermometer to be sure patties reach minimum internal temperature of 165 degrees F.
  7. Note: Recipe is vegan only if vegan steak sauce and Morningstar Farms® Grillers® Vegan Veggie Burgers are used.
  8. ®, ™, ©, 2010 Kellogg NA Co. Morningstar Farms Recipes are the property of the Kellogg Company.
  9. This recipe has been tested and endorsed by Kellogg and Morningstar Farms®.