- Remove the stems from portobello mushrooms and brush with olive oil.
- Preheat the grill to medium-high heat and lightly oil the grate.
- Grill the mushrooms for 5-6 minutes on each side.
- In the last minute of grilling, add a slice of your favorite cheese on top of the mushrooms to melt.
- Serve the grilled mushrooms on a bun with your favorite burger toppings, such as lettuce, tomato, and avocado.
This is an AI generated recipe, and it may not be perfect. Please use your own judgement when following the instructions.