The burgers are vegetarian is not synonymous with bad taste or tasteless. These burgers are the perfect example of this. The portobello mushroom is what simulates meat and accompanied with grilled red pepper and blue cheese.
The portobello mushroom is marinated in a mixture of olive oil, garlic and balsamic vinegar. To marinate soften a bit and also pervade the taste and the mushrooms are porous.
These burgers are really perfect for vegetarians and non-vegetarians. If you are a carnivore, give it a chance to be recipe and try these burgers so you see that you will not miss the meat. You can serve the burger with lettuce, spinach or arugula. If you do not like blue cheese you can substitute feta or goat cheese.
We must seize all the flavor absorbing portobello mushroom. It is always advisable to marinate before cooking on the grill, either with the recipe I shared them up or adding more herbs or spices. For example cilantro, parsley, basil, rosemary. To spice you can use onion powder, dried chili or crushed. Even make an Asian version with soy sauce, chutney or Asian rice vinegar.