Best 9 Portobello Mushroom And Onion Burger Topping Recipes

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Portobello mushrooms and onions are a delicious and versatile combination that can be used to top burgers, sandwiches, and other dishes. The earthy flavor of the mushrooms pairs perfectly with the sweetness of the onions, and when cooked together, they create a savory and satisfying topping. Whether you're looking for a vegetarian option or just a way to add some extra flavor to your next burger, portobello mushrooms and onions are a great choice. In this article, we'll share some of our favorite recipes for cooking portobello mushroom and onion burger toppings, so you can find the perfect one to suit your taste.

Check out the recipes below so you can choose the best recipe for yourself!

PORTOBELLO MUSHROOM BURGERS WITH QUICK CARAMELIZED ONIONS



Portobello Mushroom Burgers with Quick Caramelized Onions image

A delicious vegan and gluten free burger recipe made with balsamic marinated portobello mushrooms, quick caramelized onions, and all the best toppings!

Provided by Christal Szcebel

Categories     Main Dishes

Time 30m

Number Of Ingredients 12

4 portobello mushrooms, stems removed
2 tbsp balsamic vinegar
1 tbsp olive oil
1 cup sliced sweet white onion
1 tablespoon coconut palm sugar
1/4 tsp baking soda
4 tablespoons cashew cheese or goat cheese (I used locally made Cashew Cheese)
1/4 cup thinly sliced red cabbage
1 large tomato, sliced
2 cups mixed greens lettuce
4 tsp Dijon mustard
4 gluten-free burger buns or your favourite burger buns

Steps:

  • Preheat the grill.
  • Take a large ziploc, and place mushrooms in the bag, add the balsamic vinegar and 1 tablespoon of olive oil, and seal bag. Shake the bag until the mushrooms are coated in the vinegar and oil. Let sit for a few minutes while preparing the other ingredients.
  • Heat a non stick pan over med-high heat add in the sliced onions and coconut palm sugar, toss to coat the onions with the sugar, then add in the baking soda and toss to coat again.
  • Lower heat to medium, and cook the onions, stirring often until they are soft and browned, about 10 minutes.
  • Remove mushrooms from ziploc and place on the heated grill, rounded side up. Let cook for 3-4 minutes.
  • Meanwhile, slice tomato, cabbage, and wash lettuce, and prepare any other preferred garnishes.
  • Turn mushrooms over so they are flat side up and top the inside of the mushrooms with the caramelized onions and bits of the cashew or goat cheese.
  • Continue to cook for 3 more minutes then remove from grill.
  • Using your favourite gluten-free buns assemble burgers starting with the dijon mustard, then top with the mushroom filled with onions and cheese, then top with the cabbage, tomato, lettuce, and th other half of the bun.
  • Enjoy!

PORTOBELLO MUSHROOM BURGER WITH CARAMELIZED ONIONS



Portobello Mushroom Burger With Caramelized Onions image

Portobello mushroom burgers are on of my family's favorite things to make, especially in the summer. They're great for barbecues and get togethers and are relatively simple to throw together. If you or friends do happen to be grilling, the portobellos can also easily be thrown on the grill. The marinade is made with very minimal ingredients (just dijon mustard, white wine, pepper, and LOTS of garlic). My favorite toppings include caramelized onions, arugula, sliced tomatoes, and even avocado. If you do opt to make caramelized onions, my recommendation would be to make extras and keep in the fridge for other dishes!

Provided by isabellakornitsky

Time 50m

Yield 6

Number Of Ingredients 10

6 portobello mushrooms
1/3 cup white wine (plus more for deglazing)
2 tbsp dijon mustard
2 tsp fresh cracked pepper
5-7 cloves of garlic
Avocado oil (for cooking)
Chipotle aioli (vegan mayo, chipotle in adobo, lemon juice)
2 white onions
Arugula
Tomatoes (sliced)

Steps:

  • Combine the white wine, dijon mustard, pepper, and garlic in a bowl or pyrex large enough the fit all of the portobello mushrooms.
  • Add the portobellos to the marinade and swish around to ensure they are evenly coated. At this point you can allow to marinate overnight or just rest for a few minutes depending on how much time you're working with.
  • Meanwhile thinly slice the onions and bring a nonstick pan to medium heat with avocado oil. Add the onions and stir every so often, cooking until caramelized (around 30-40 minutes).
  • Heat a large cast iron pan on medium-high heat with a bit of avocado oil and add the portobellos to the pan. Let cook for around 3-5 minutes on each side until golden.
  • Add any leftover marinade to the pan and allow the mushrooms to keep cooking. After a minute or two add some more white wine or water to deglaze the pan. Cover and cook gill side down for 5 more minutes or until collapsed.
  • To serve, toast your buns and add chipotle aioli to both sides. Top with the portobello mushroom, arugula, tomato, and caramelized onions. (If you want to simplify, you can skip the chipotle aioli and add dijon mustard to your buns).

FRENCH ONION PORTOBELLO BURGERS



French Onion Portobello Burgers image

All the flavors of French onion soup are piled high on a tender portobello mushroom and sandwiched between English muffins. These are the ultimate meatless burgers!

Provided by Gabriela Rodiles

Categories     main-dish

Time 35m

Yield 4 servings

Number Of Ingredients 13

2 tablespoons butter
2 medium onions, thinly sliced
1 tablespoon plus 1 teaspoon fresh thyme leaves or 2 teaspoons dried thyme leaves or Italian seasoning blend
Kosher salt and freshly ground black pepper
1 tablespoon plus 1 teaspoon Worcestershire sauce
4 English muffins or hamburger buns, split
4 medium portobello mushroom caps (about 1 pound), stems removed
2 tablespoons olive oil or neutral oil
1/2 teaspoon garlic salt, or 1/8 teaspoon garlic powder and heaping 1/4 teaspoon kosher salt
1 cup shredded Gruyere, Swiss or Cheddar cheese (about 4 ounces)
1/3 cup mayonnaise
1 clove garlic, finely grated
1/2 cup crispy fried onions, such as French's (or crushed corn chips, pretzels or potato chips)

Steps:

  • Preheat the broiler. Line a rimmed baking sheet with aluminum foil.
  • Melt the butter in a medium skillet over medium-low heat. Add the sliced onions, 1 tablespoon fresh thyme or 1 1/2 teaspoons dried, 1/2 teaspoon kosher salt and a few grinds of pepper. Cook, stirring occasionally, until the onions are deep golden brown and caramelized, about 15 minutes. If the skillet gets too brown, add 2 tablespoons water and scrape the brown bits from the bottom of the skillet with a wooden spoon; continue to cook until all the water has evaporated. Add 1 tablespoon of the Worcestershire and stir until completely absorbed, about 1 minute more.
  • Meanwhile, place the muffins or buns on the prepared baking sheet and broil until toasted and browned along the edges, 1 to 2 minutes. Set aside for serving.
  • Put the mushroom caps, gill-side up, on the same baking sheet. Broil until they release their juices and soften slightly, about 6 minutes. Flip the mushrooms, brush the tops with the oil and season with the garlic salt. Broil until lightly browned and the juices have cooked off, about 6 minutes more. Top each mushroom with 1/4 cup cheese, then return to the broiler until the cheese melts, 1 to 1 1/2 minutes.
  • While the mushrooms are broiling, stir together the mayonnaise, garlic, remaining 1 teaspoon fresh thyme or 1/2 teaspoon dried thyme and 1 teaspoon Worcestershire in a small bowl until smooth. Season with a pinch of kosher salt and pepper. Spread on the inside of the toasted muffin or bun tops. Place 1 portobello mushroom on each muffin or bun bottom. Layer with the caramelized onions and crispy fried onions, then close the burgers and serve.

PORTABELLA MUSHROOM BURGERS WITH RED PEPPER MAYONNAISE



Portabella Mushroom Burgers with Red Pepper Mayonnaise image

Marinated portabella mushrooms with red pepper mayo. Serve with tomato, onion, and lettuce or your choice of toppings and enjoy.

Provided by J.T.

Categories     Main Dish Recipes     Burger Recipes     Veggie

Time 2h40m

Yield 4

Number Of Ingredients 8

4 large portobello mushroom caps
½ cup soy sauce
½ cup balsamic vinegar
4 cloves garlic, chopped, or more to taste
1 large red bell pepper
1 cup reduced-fat mayonnaise
1 tablespoon cayenne pepper, or to taste
4 hamburger buns, split

Steps:

  • Place mushrooms into a large resealable plastic bag; add soy sauce, balsamic vinegar, and garlic. Seal bag and shake to combine ingredients; marinate mushrooms at room temperature for 2 to 3 hours, turning bag occasionally.
  • Preheat grill for medium-high heat and lightly oil the grate.
  • Place red bell pepper onto the grate and grill until the skin is blistered and charred, turning often, about 10 minutes. Transfer pepper to a bowl and cover with plastic wrap; let pepper cool. When pepper is cool enough to handle, remove and discard skin, stem and seed the pepper, and chop.
  • Mix pepper into mayonnaise in a bowl and stir in cayenne pepper. Chill red pepper mayonnaise until serving time.
  • Grill marinated mushroom caps until browned and juicy, about 6 minutes per side. Serve mushrooms on buns, topped with red pepper mayonnaise.

Nutrition Facts : Calories 375.3 calories, Carbohydrate 37.8 g, Cholesterol 21 mg, Fat 22.5 g, Fiber 2.7 g, Protein 7.1 g, SaturatedFat 3.7 g, Sodium 2458.7 mg, Sugar 9.4 g

PORTOBELLO MUSHROOM BURGERS



Portobello Mushroom Burgers image

The steak of veggie burgers. Serve on a bun with lettuce, tomato, and aioli sauce. Oh yeah!

Provided by Bob Cody

Categories     Main Dish Recipes     Burger Recipes     Veggie

Time 35m

Yield 4

Number Of Ingredients 8

4 portobello mushroom caps
¼ cup balsamic vinegar
2 tablespoons olive oil
1 teaspoon dried basil
1 teaspoon dried oregano
1 tablespoon minced garlic
salt and pepper to taste
4 (1 ounce) slices provolone cheese

Steps:

  • Place the mushroom caps, smooth side up, in a shallow dish. In a small bowl, whisk together vinegar, oil, basil, oregano, garlic, salt, and pepper. Pour over the mushrooms. Let stand at room temperature for 15 minutes or so, turning twice.
  • Preheat grill for medium-high heat.
  • Brush grate with oil. Place mushrooms on the grill, reserving marinade for basting. Grill for 5 to 8 minutes on each side, or until tender. Brush with marinade frequently. Top with cheese during the last 2 minutes of grilling.

Nutrition Facts : Calories 203.2 calories, Carbohydrate 9.8 g, Cholesterol 19.6 mg, Fat 14.6 g, Fiber 2 g, Protein 10.3 g, SaturatedFat 5.8 g, Sodium 259.5 mg, Sugar 4.4 g

WORLD'S GREATEST MUSHROOM-ONION BURGERS



World's Greatest Mushroom-Onion Burgers image

I love a great burger... in fact even if I were mega-rich and could eat the priciest food available, burgers would still be gracing my meals more often than anything else I can think of! I've heard of $24 dollar gourmet burgers and such... but you can make this for a whole lot less money and still be in burger heaven... Another fabulous comfort food fix from "Great Food From Mom's Diner".

Provided by Christmas Carol

Categories     Lunch/Snacks

Time 50m

Yield 5 serving(s)

Number Of Ingredients 12

4 tablespoons butter or 4 tablespoons margarine
1 large onion, chopped
6 ounces mushrooms, chopped
1 1/2 lbs ground sirloin
1 1/2 teaspoons salt
1 teaspoon fresh ground black pepper
1 tablespoon A.1. Original Sauce
flour (for dredging)
2 tablespoons olive oil (preferably extra-virgin)
5 large kaiser rolls, lightly toasted
cheese, of your choice (optional)
sour cream (optional)

Steps:

  • In a large, heavy skillet, melt butter or margarine.
  • Cook onions over medium-low heat until golden brown.
  • Add the mushrooms and continue cooking until mushrooms are tender.
  • Let sit until cool enough to handle.
  • In a large bowl, mix the sirloin, salt, pepper, steak sauce, and onion-mushroom mixture.
  • Form into 5 burgers.
  • In same skillet, heat olive oil over medium heat.
  • Dredge burgers in flour and cook until desired doneness, turning once.
  • Add cheese (if desired) and melt atop burger.
  • Top with a dollop of sour cream.

PORTOBELLO BURGER WITH MUFFULETTA TOPPING



Portobello Burger with Muffuletta Topping image

A tasty tomato-olive mixture, melty cheese and smoky grilled mushroom add so much flavor to this recipe that one taster called it "one of the best mushroom burgers I've had." For a change, switch another cheese or spinach for the provolone and lettuce. -Tamra Duncan, Lincoln, Arkansas

Provided by Taste of Home

Categories     Lunch

Time 25m

Yield 1 serving.

Number Of Ingredients 10

1 large portobello mushroom, stem removed
1 teaspoon olive oil
1/8 teaspoon dried oregano
Salt and pepper, to taste
1 plum tomato, chopped
2 pitted green olives, chopped
1 tablespoon mayonnaise
1 multigrain hamburger bun, split and toasted
1 lettuce leaf
1 slice provolone cheese

Steps:

  • Brush mushroom with oil and sprinkle with oregano. Season with salt and pepper. Using long-handled tongs, moisten a paper towel with cooking oil and lightly coat the grill rack. Grill mushroom, covered, over medium heat or broil 4 in. from the heat for 6-8 minutes on each side or until tender., Combine tomato and olives; season with salt and pepper. Spread mayonnaise over bun bottom. Top with lettuce, mushroom, cheese and tomato mixture; replace bun top.

Nutrition Facts :

PORTOBELLO MUSHROOM BURGERS WITH BASIL-MUSTARD SAUCE



Portobello Mushroom Burgers with Basil-Mustard Sauce image

Categories     Mushroom     Mustard     Vegetarian     Basil     Summer     Grill/Barbecue     Bon Appétit

Yield Serves 6

Number Of Ingredients 11

1 cup mayonnaise
1/3 cup shopped fresh basil
2 tablespoons Dijon mustard
1 teaspoon fresh lemon juice
1/3 cup olive oil
1 tablespoon minced garlic
1 1/2 cups mesquite wood chips, soaked in cold water 1 hour (optional)
6 4- to 5-inch-diameter portobello mushrooms, stems removed
6 3 1/2- to 4-inch-diameter whole-grain hamburger buns, split
6 large romaine lettuce leaves
6 large tomato slices

Steps:

  • Mix first 4 ingredients in small bowl. Season with salt and pepper. Whisk olive oil and garlic in another small bowl.
  • Prepare barbecue (medium-high heat). When coals turn white, drain chips, if using, and scatter over coals. When wood chips begin to smoke, brush mushroom caps on both sides with garlic oil. Season with salt and pepper. Grill mushrooms until tender and golden brown, about 4 minutes per side. Transfer to platter; cover with foil to keep warm. Grill cut side of hamburger buns until light golden, about 2 minutes.
  • Place bottom half of hamburger bun on each plate. Top each with 1 mushroom, then 1 lettuce leaf and 1 tomato slice. Spoon some basil-mustard sauce over tomato and top with bun. Pass remaining basil-mustard sauce separately.

PORTOBELLO MUSHROOM BURGER(PAULA DEEN)



Portobello Mushroom Burger(Paula Deen) image

Make and share this Portobello Mushroom Burger(Paula Deen) recipe from Food.com.

Provided by Sharon123

Categories     Vegetable

Time 18m

Yield 4 serving(s)

Number Of Ingredients 9

4 portobello mushroom caps, cleaned
1/4 cup olive oil
salt & freshly ground black pepper
1/2 cup mayonnaise
1 tablespoon prepared pesto sauce
2 teaspoons coarse grain mustard
4 hamburger buns, split, buttered, and toasted
1 cup baby arugula
1 (12 ounce) jar roasted red peppers, drained

Steps:

  • Preheat grill to medium-high heat.
  • Brush mushrooms caps with olive oil; sprinkle evenly with salt and pepper. Grill mushrooms, smooth side down, covered with grill lid, for 6 to 8 minutes, or until tender.
  • In a small bowl, combine mayonnaise, pesto, mustard, 1/4 teaspoon salt and 1/4 teaspoon pepper. Spread mixture evenly over cut sides of buns.
  • Divide arugula evenly over bottom halves of buns.
  • Top each evenly with peppers.
  • Place mushrooms caps over peppers. Cover with tops of buns.

Tips:

  • Choose the right mushrooms. Portobello mushrooms are the best choice for this recipe because they are large and meaty. They also have a mild flavor that will not overpower the other ingredients.
  • Cook the mushrooms properly. Portobello mushrooms should be cooked until they are tender but still have a little bit of a bite to them. If you overcook them, they will become tough and chewy.
  • Caramelize the onions. Caramelizing the onions brings out their natural sweetness and gives them a rich, deep flavor. Be patient and cook the onions over low heat until they are golden brown.
  • Use a good quality cheese. The cheese is one of the most important ingredients in this recipe, so don't skimp on quality. Use a cheese that melts well and has a lot of flavor.
  • Assemble the burgers carefully. Make sure to layer the ingredients evenly on the buns so that each bite is full of flavor.

Conclusion:

Portobello mushroom and onion burgers are a delicious and satisfying meal. They are perfect for a summer cookout or a casual weeknight dinner. With a few simple tips, you can make sure that your burgers are cooked to perfection and full of flavor. So fire up the grill and get ready to enjoy a delicious portobello mushroom and onion burger!

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