Portobello Mushroom Burger Recipe

Name: Portobello Mushroom Burger
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 Tablespoon Unsalted Butter; 1 whole Yellow Onion, Halved And Sliced; 2 dashes White Wine; 4 whole Portobello Mushroom Caps; 1/4 cups Extra Virgin Olive Oil; 2 Tablespoons Balsamic Vinegar; 4 ounces, weight Goat Cheese, Softened; 4 whole Whole Wheat Buns; Baby Spinach, As Needed; 1/4 cups Pistachio Pesto (See Blog Post Link)

Servings: persons

1
Heat a large skillet over medium or medium low heat.
2
When hot, add butter.
3
Once butter has melted, add sliced onion and cook for about 1520 minutes, or until golden brown and caramelized.
4
In the last minute or two, deglaze pan with a couple splashes of dry white wine.
5
Cook until wine has absorbed.
6
Set aside.
7
Preheat broiler (ours is at 500 degrees F).
8
Gently wash and dry mushroom caps.
9
Place them ribbed side up on a rimmed baking sheet.
10
Whisk together olive oil and balsamic vinegar in a small bowl.
11
Brush half of the oil-vinegar mixture on the ribbed sides of the mushrooms.
12
Broil for 5 minutes.
13
Flip mushrooms and brush on remaining oil-vinegar.
14
Broil for another 5 minutes.
15
Remove from the oven and sprinkle with a little salt.
16
To assemble burgers, spread softened goat cheese on the bottom bun.
17
Top with spinach, then portobello mushroom.
18
Top that with some caramelized onions and 1 tablespoon pesto.
19
Top with burger bun.
20
Notes: 1.
21
Some of the oil and vinegar will roll off the mushrooms and may start to smoke on the pan.
22
Dont worry, its totally normal!
23
2.
24
After mushrooms were cooked, Trevor cut the mushrooms to fit the size of bun we have on hand.
25
This isnt necessary, but makes for a really pretty presentation!
26
3.
27
Gluten-free?
28
Make sure to use a gluten-free bun!

305

kcal

Calories

Fat

Carbs

Protein

Fat Carbs Protein

* Per serving · 4 servings · Values may vary.

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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How did you like this recipe?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

You need 10 ingredients. The key ingredients include: 1 Tablespoon Unsalted Butter, 1 whole Yellow Onion, Halved And Sliced, 2 dashes White Wine, 4 whole Portobello Mushroom Caps, and more.

Yes, Portobello Mushroom Burger falls under the General category and is a great choice for this type of meal.

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

That's it — enjoy your meal!

Portobello Mushroom Burger

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions