Easy vegan & veggie recipes

Servings 2

Prep 10 min

Cook 20 min

Total 30 min

Portobello burger with balsamic glaze & cramelized onion

Name: Portobello burger with balsamic glaze & cramelized onion
Prep time: 10
Cook time: 20
Total time: 30
Ingredients: Portobello mushroom; Olive oil; Balsamic Vinegar; Soy sauce; Garlic powder; Vegan Comfort

420 Calories

7 g Proteins

40 g Carbs

20 g Fats

This Portobello Burger with Balsamic Glaze and Caramelized Onion proves you don’t need fake meat to make an epic vegan burger. The roasted mushroom “steak” is juicy, smoky, and loaded with umami. Topped with sweet onions and a glossy glaze, it’s the kind of plant-based showstopper that even meat-lovers will crave.

Ingredients

Portobello mushroom

tbsp

Olive oil

tbsp

Balsamic Vinegar

tsp

Soy sauce

pinch

Garlic powder

For the caramelized onion

Red onion

sliced

tbsp

Olive oil

tsp

Maple syrup

pinch

Salt

For the balsamic glaze

tbsp

Balsamic Vinegar

tsp

Maple syrup

tsp

Soy sauce

Fiesta Booster!

Fresh thyme or rosemary sprigs (during roasting)

Smoked paprika in the glaze

Crunchy pickled cucumber ribbons or arugula as topping

Booster? What's that?

It’s our secret weapon: a sprinkle of flavor, crunch or color that takes your meal from good to unforgettable

Tips & Variations

Add vegan cheese under the mushroom and broil until melty
Use sourdough buns for extra crunch
Swap onions for slow-roasted shallots for a gourmet upgrade
Make mini versions on sliders for parties

Instructions

Step 1

Prep the mushrooms: Gently clean the portobellos and marinate them in a bowl with olive oil, balsamic vinegar, soy sauce, garlic powder and pepper for 10 minutes.

Step 2

Caramelize the onion: Heat olive oil in a pan over low heat. Add the onion slices and a pinch of salt. Cook for 10–15 minutes until soft and golden. Add maple syrup in the final 2 minutes.

Step 3

Roast or grill the mushrooms: Preheat a grill or oven to 200°C. Place mushrooms gill-side up and roast for 10–15 minutes, flipping halfway. They should be juicy but not soggy.

Step 4

Make the balsamic glaze: In a small pan, simmer balsamic vinegar, soy sauce and maple syrup until reduced by half (or stir in cornstarch for quicker thickening).

Step 5

Assemble your burger: Toast the buns, spread mayo or mustard, add lettuce or greens, place the roasted mushroom on top, add caramelized onions, drizzle with balsamic glaze, and add optional toppings like tomato or avocado.

Where to buy ingredients from around the world

Portobello mushroom

Olive oil

Balsamic Vinegar

Soy sauce

Garlic powder

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Portobello burger with balsamic glaze & cramelized onion

Instructions

New & Delicious: Just Dropped!

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