- 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 (10 ounce) package Morningstar Farms® Grillers® Prime Veggie Burgers, Grillers® Vegan Burgers, or Grillers® Original
- 4 hamburger buns
- 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.
- Prepare veggie burgers according to package directions. Serve burger on bun with warm topping.
- ON THE GRILL: Preheat grill. Use a food thermometer to be sure patties reach minimum internal temperature of 160 degrees F.