American · United States
Smoky Mushroom & Onion Burger
A vegetarian burger with a smoky mushroom and onion mixture, served on a toasted bun with fresh toppings.
25 minutes2 servings

Ingredients
Method
- In a skillet, heat olive oil and cook mushrooms and onions until softened. Add soy sauce and Worcestershire sauce, cook for 2 more minutes.
- Form ground beef or plant-based mixture into 2 patties. Cook on a grill or skillet until desired doneness.
- Toast buns. Layer with cheddar cheese, patty, mushroom-onion mixture, lettuce, tomato, ketchup, and mustard.
- Serve warm.
- Check that the ground meat reaches 71°C (160°F) throughout before serving.