Grilled Portobello Burgers with Blue Cheese and Onions – a terrific meatless Monday meal that’s inexpensive, quick, easy and will make the burger loving people in your family very happy!
Have you ever had a ‘meatless’ burger that tasted meaty and was really, really juicy? It’s almost shocking how much this tastes like a meaty burger and is so delicious. We topped our grilled portobello mushrooms with sautéed onions and wonderful rich blue cheese for a real treat. Honestly these would be great with any kind of cheese or vegetables. I’m going to try a few more ideas but even my husband asked if these could be on a regular rotation. Absolutely – we really loved these healthy, meatless burgers!
It’s hard to beat a meal that starts with fresh vegetables and involves cooking over an open flame. Less mess in the kitchen – woohoo!
The weather was absolutely perfect over the Easter weekend so it was a great time to dust off the old grill and fire it up! The portobello mushrooms were cleaned then brushed with a mixture of balsamic vinegar, olive oil and garlic. Marinate for 30 minutes while preparing the sautéed onions.
The mushrooms cook in about 10 minutes and dinner is ready!
Throw in a cold beer and your burger-eating folks might think it’s still the weekend. I added sliced ripe tomatoes and a little bed of lettuce then tried to get this giant burger in my mouth! It took some effort but I managed!
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Grilled portobello mushrooms with blue cheese and slow-cooked caramelized onions - good enough to make your burger loving family very happy!
- 4 tablespoons extra-virgin olive oil
- 1 tablespoon balsamic vinegar
- 2 cloves garlic minced
- 4 large portobello mushrooms stems removed, dirt removed
- 2 medium red onions sliced thin
- 2 tablespoons water
- 1/4 cup red wine
- 1/2 teaspoon sea salt divided
- 1/2 teaspoon freshly ground pepper
- 4 ounces blue cheese
- 4 buns
- 8 Boston lettuce leaves
- 4-8 thick slices ripe tomato
- Combine the balsamic vinegar, 3 tablespoons olive oil and minced garlic in a small bowl. Whisk to combine then brush over both sides of the cleaned portobello mushrooms. Set aside for 30 minutes while preparing the onions.
- Heat the remaining 1 tablespoon olive oil over medium-high heat. Add the onions and cook, stirring frequently, until the onions being to brown, about 5 minutes. Reduce the heat to medium-low and add the 2 tablespoons water. Cook and stir occasionally for about 15 minutes or until the onions are slightly browned and very soft. Add the wine, 1/4 teaspoon salt and pepper, and cook for another 5 minutes or until the wine is evaporated. Cover, remove from the heat and set aside.
- Preheat the grill to medium.
- Sprinkle the mushrooms with the remaining 1/4 teaspoon salt and pepper. Grill with the gill side down for about 5 minutes. Turn the mushrooms over and cook until they start to release their liquid, about 5 minutes. Turn the mushrooms back over to grill the gill side for another 2 or 3 minutes.
- Remove from the grill and place about 1/8 of the blue cheese on each mushroom on the gill side.
- To serve top each with 1/4 of the onions and place cheese/onion side up on a bun.
- Spread the remaining blue cheese on each bun, add the tomato and lettuce and serve.
Recipe adapted from May/June 2012 Eating Well Magazine
We enjoy eating well and meatless Mondays are always delicious. We love our Meatless Monday Taco Salad which is super hearty and delicious. This Spicy Pomodoro Sauce with Kale & Penne is filling and tasty dish that will leave you full and satisfied. We even made a crazy good meatless version of the Muffaletta – check out these Homemade Muffaletta Loaves & Vegetable Sandwich. Would love to try this Vegetarian Green Chile and Pinto Bean Layered Mexican Casserole from Kalyn’s Kitchen. And how about this Spinach Artichoke Pizza from Wine & Glue? It looks so delicious 🙂 And finally, how about this terrific lineup of 35 Weeknight Vegetarian Recipes to Embrace Meatless Monday from Bon Appetit!
Thanks so much for stopping by 🙂
Tricia
This burger looks so amazing, that touch with the sautéed onions and blue cheese really take this burger to next level…impressive recipe
Thanks Albert – it is really delicious and meaty!
That looks absolutely delicious! Thanks for the shout-out for my recipe too!
Thank you Kalyn!
Grilled portobello burgers is one of my favorite meatless treats. My family disagrees but that just means more for me! I love the pairing with blue cheese. I linked to this post in a round up of healthy father’s day recipes. http://www.halfhersize.com/healthy-fathers-day-recipes/ Thanks!
Thank you so much Rose! Hope you have a nice father’s day and thanks again!
Portobello Burgers and anything eggplant related are the two menu items I can’t get past…once I see them that is what I will order! This is a great meatless option.
I understand Cali – we love it too!~ This is a super tasty meatless meal I could eat again and again. Have a great week.
I have yet to try portobello burgers but your photos look so mouthwatering delicious that I don’t know what I’m waiting for! It’s wonderful to be able to grill again (and not freeze while doing so). These are going on my to-do list pronto! Your grandson is adorable, Tricia! I love that age 🙂 They are so full of excitement during the holidays!
You will love the mushroom burgers Susan! I am amazed at the flavor. It is juicy and satisfying. Thanks – grandsons are the best!
I am so ready to get that grill going! These sound awesome-just like that grandson of yours!
Thanks Abbe 🙂 Grilling season is coming soon! Thank goodness 🙂
Whenever I’m doing something meatless but want a “meaty” flavor, I usually include portobello mushrooms. Isn’t their flavor magnificent! They’re better than meat. So I’m sure these burgers are terrific — they look to be loaded with flavor! Good stuff — thanks.
Thanks so much John. Have a lovely weekend!
Oh, my goodness! Isaac is sooooo cute and growing up so fast. It IS hard to be three. hehee. 😉 We didn’t see any of our for Easter, but we did get to facetime…. which has to work sometimes.
These “burgers” look so good… especially with that cold beer! =) blessings ~ tanna
Aww wish you had seen some of your little ones for Easter. I Facetime with Issac across town. He loves the phone – although it is like watching Blair Witch Project 🙂 Always running somewhere! Have a lovely weekend.
Your grandson is three already! What a handsome fella, he is! : )
Your meatless meals never lack for flavor. I love portobellos as a sub for meat. Great job, Tricia!
Thank you Monica – he is growing so very fast! Hope you have a wonderful weekend.
I’m always looking for an interesting vegetarian dish for guests who don’t eat meat. This looks so good, everyone will need one 🙂
Amalia
xo
Thanks Amalia!
We make these all the time! – Love these burgers-Delish!! I don’t know about you, but we cook all the time and don’t always get a chance to post everything. Your grandson is getting so big! Adorable!
Have a great week!
So true – I have so many recipes I’ve tried but never posted. Some are part of my regular rotation too. Busy cooks and dishwashers! Thanks – Isaac is growing so fast.
Who cares about the burgers, let’s spend time with Isaac. 🙂 You got the cream of the crop in grandchildren!
Now seriously, if I have to have a meatless day, I want these burgers.
Thanks Maureen – that is so sweet! He is a pistol and a doll. Have a lovely weekend!
I want to hang out at your house – these look spectacular! Happy Easter Tricia <3
I wish you could Sue! Have a wonderful weekend
I wouldn’t even miss the meat! These vegetarian burgers look so inviting. Issac is now a big handsome boy, Tricia.
Thanks Angie – it goes by so fast doesn’t it?
I remember those days when our son was three….;) SOOO MUCH FUN!!! Your Portabella Mushroom Burgers look GREAT! The blue cheese sounds SOOO GOOD!!! 😉
Tricia, I would love to find a recipe for home-made Fiber One Fiber Bars….. Any ideas? I recently found the Peanut Butter ones, & the store rarely has them now. 🙁 I guess everyone else loves them too.
Thanks so much Becky. I will be on the lookout for a Fiber One Bar – homemade recipe 🙂 Thanks for the inspiration!