Portobello Burgers with Avocado Mayonnaise

Elevate your burger game with these juicy, flavor-packed Portobello Burgers with Avocado Mayonnaise! Perfect for vegetarians or anyone looking to savor a lighter yet satisfying alternative, this recipe features savory marinated portobello mushroom caps grilled to perfection and paired with a creamy, zesty avocado mayonnaise. The mushrooms are infused with a tangy garlic-balsamic marinade, while the avocado spread adds a luscious, citrusy twist. Layered with crisp lettuce, fresh tomato, and crunchy red onion on toasted hamburger buns, these burgers are a vibrant, wholesome meal option. Ready in just 30 minutes, they’re ideal for weeknight dinners or casual gatherings. Enjoy a plant-based burger that doesn’t skimp on flavor!

Nutriscore Rating: 80/100

Prep Time:15 mins

Cook Time:15 mins

Total Time:30 mins

Servings: 4

Ingredients

• 4 pieces Portobello mushroom caps
• 2 tablespoons Olive oil
• 1 tablespoon Balsamic vinegar
• 2 pieces Garlic cloves, minced
• 1 teaspoon Salt
• 0.5 teaspoons Black pepper
• 1 piece Ripe avocado
• 0.25 cup Mayonnaise
• 1 tablespoon Lime juice
• 4 pieces Hamburger buns
• 4 pieces Lettuce leaves
• 4 pieces Tomato slices
• 4 pieces Red onion slices

Directions

Step 1

Clean the portobello mushroom caps by gently wiping them with a damp paper towel. Remove the stems if present.

Step 2

In a small bowl, whisk together olive oil, balsamic vinegar, minced garlic, salt, and black pepper.

Step 3

Brush both sides of each mushroom cap with the olive oil mixture, ensuring they are well coated. Set them aside to marinate for 10 minutes.

Step 4

While the mushrooms are marinating, prepare the avocado mayonnaise. Scoop the flesh of the avocado into a small mixing bowl and mash it until smooth.

Step 5

Add the mayonnaise and lime juice to the mashed avocado. Stir until well combined. Season with a pinch of salt to taste.

Step 6

Heat a grill or grill pan over medium heat. Place the marinated mushroom caps on the grill, gill side down. Cook for 5-6 minutes per side, or until tender and slightly charred.

Step 7

Lightly toast the hamburger buns on the grill during the last 2 minutes of cooking the mushrooms.

Step 8

Assemble the burgers by spreading a generous layer of avocado mayonnaise on the bottom halves of the toasted buns.

Step 9

Place a grilled portobello mushroom cap on top of the avocado mayonnaise, followed by a lettuce leaf, a tomato slice, and a red onion slice.

Step 10

Top with the other half of the bun. Repeat for the remaining burgers.

Step 11

Serve immediately and enjoy your delicious Portobello Burgers with Avocado Mayonnaise!

Nutrition Facts

Serving size	(1169.0g)

Amount per serving	% Daily Value*
Calories	1447.2

Total Fat 111.1g	0%
Saturated Fat 19.9g	0%
Polyunsaturated Fat 2.7g
Cholesterol 58.8mg	0%
Sodium 3269.9mg	0%
Total Carbohydrate 115.1g	0%
Dietary Fiber 74.1g	0%
Total Sugars 16.1g
Protein 69.8g	0%

Vitamin D 28.0IU	0%
Calcium 164.8mg	0%
Iron 9.3mg	0%
Potassium 2610.0mg	0%

*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Source of Calories

Fat: 57.5%

Protein: 16.1%

Carbs: 26.5%