
Creato con AI
Drain the 200g can of mushrooms and chop them finely.
Peel and slice the red onion into thin rings.
Heat 1 tablespoon of olive oil in a pan over medium heat.
Add the chopped mushrooms and sliced onion to the pan. Sauté until the onions are translucent and the mushrooms are cooked, about 5-7 minutes.
Season the mixture with salt and pepper to taste.
Toast the 4 slices of bread until golden brown.
Spread 1 tablespoon of mayonnaise evenly on two slices of the toasted bread.
Divide the mushroom and onion mixture between the two mayonnaise-spread slices.
Top with the remaining slices of bread to form two sandwiches.
Serve the mushroom burgers warm and enjoy!