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–+ servings
Portobello Burgers

Savory Portobello Burgers with Sweet Caramelized Onions

Delicious Portobello Burgers featuring savory marinated mushrooms and sweet caramelized onions, perfect for a healthy and satisfying meal.
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Prep Time 15 minutes
Cook Time 20 minutes
Total Time 35 minutes
Servings: 4 burgers
Course: Best Recipe Ideas
Cuisine: Vegan
Calories: 250
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Burgers
  • 4 large Portobello Mushrooms Remove stems for best results.
  • 2 tablespoons Grapeseed Oil Can substitute with canola oil.
  • 2 tablespoons Soy Sauce Tamari for gluten-free option.
  • 2 teaspoons Paprika Smoked paprika adds more flavor.
  • 1 tablespoon Maple Syrup Agave syrup is an alternative.
  • 1 tablespoon Light Brown Sugar Regular white sugar can be used.
  • 1 tablespoon Tomato Paste
  • 1 teaspoon Liquid Smoke Can substitute with smoked paprika.
  • 1 teaspoon Oregano Italian seasoning can also be used.
  • 1 tablespoon Olive Oil For sautéing onions.
For the Caramelized Onions
  • 1 large Onion (White, Yellow, or Brown)
For Serving
  • 4 rolls Hamburger Rolls Gluten-free rolls can be used.
  • Lettuce Fresh toppings to customize.
  • Tomato Fresh toppings to customize.
  • Dill Pickles Fresh toppings to customize.
  • Avocado Fresh toppings to customize.

Equipment

  • grill pan
  • Frying pan
  • Mixing bowl

Method
 

Step-by-Step Instructions
  1. Remove the stems from the portobello mushrooms, whisk together soy sauce, paprika, maple syrup, brown sugar, tomato paste, liquid smoke, and oregano, and brush over the mushrooms. Marinate for at least 15 minutes.
  2. Heat frying pan over medium heat, add olive oil, and sauté chopped onions until golden brown for about 10 minutes. Stir in soy sauce and maple syrup, then caramelize for an additional 5 minutes.
  3. Preheat grill pan over medium-high heat, brush with grapeseed oil, and grill portobello mushrooms for about 3 minutes per side, brushing with leftover marinade.
  4. Assemble burgers by placing a grilled portobello cap on a hamburger roll and topping with lettuce, tomatoes, dill pickles, caramelized onions, and avocado slices.

Nutrition

Serving: 1burgerCalories: 250kcalCarbohydrates: 28gProtein: 6gFat: 14gSaturated Fat: 2gPolyunsaturated Fat: 1gMonounsaturated Fat: 10gSodium: 600mgPotassium: 400mgFiber: 4gSugar: 5gVitamin A: 10IUVitamin C: 15mgCalcium: 6mgIron: 8mg

Notes

Marinate mushrooms well for flavor. Stir onions frequently for ideal caramelization. Store leftovers for quick meals.

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