Balsamic Portobello Mushroom Sandwich with Caper Aioli

Recipe Collection: Lunch

Balsamic Portobello Mushroom Sandwich with Caper Aioli elevates your meal prep with a vegetarian masterpiece that bursts with flavor. This American cuisine recipe features juicy, broiled portobello mushrooms drizzled in a tangy balsamic dressing, complemented by a caper aioli, fresh tomatoes, and crisp lettuce on a toasted bun. Perfect for lunch or dinner, this dish is gluten-free and can be made soy-free by using alternative mayonnaise.

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Overview

Elevate your sandwich game with these savory balsamic portobello sandwiches. Juicy, broiled portobello mushrooms are paired with a tangy caper aioli, fresh tomato slices, and crisp lettuce, all nestled in a toasted bun. This recipe is a delightful vegetarian option that promises a burst of flavor in every bite.

Diet Type

Vegetarian

Allergies

Gluten, Soy (if using soy-based mayonnaise)

Cuisine

American

Serving Size: 4

Cooking Time: 20 minutes

Ingredients

• 2 Whole garlic cloves, minced
• 6 Tablespoons (tbsp) olive oil
• 0.5 Teaspoon (tsp) dried thyme
• 2 Tablespoons (tbsp) balsamic vinegar
• 1 Pinch salt, to taste
• 1 Pinch pepper, to taste
• 4 Large portobello mushroom caps
• 4 Whole hamburger buns
• 1 Tablespoon (tbsp) capers, drained
• 0.25 Cup mayonnaise
• 1 Large tomato, sliced
• 4 Leaves lettuce

Steps

1. Preheat your broiler and adjust the oven rack to be as close to the heat source as possible.
2. In a medium-sized mixing bowl, combine the minced garlic, olive oil, dried thyme, balsamic vinegar, salt, and pepper to create a flavorful dressing.
3. Place the portobello mushroom caps, gill side up, in a shallow baking pan. Brush them generously with half of the dressing.
4. Broil the mushrooms for 5 minutes. Then, flip the caps, brush with the remaining dressing, and broil for an additional 4 minutes until they are tender and juicy.
5. While the mushrooms are broiling, lightly toast the hamburger buns.
6. In a small bowl, mix the drained capers with the mayonnaise to create a tangy aioli.
7. To assemble the sandwiches, spread the caper aioli on the toasted buns. Place a broiled portobello cap on each bun, followed by a slice of tomato and a leaf of lettuce.
8. Serve immediately and enjoy the rich, savory flavors of this gourmet sandwich.

Enjoy your homemade Balsamic Portobello Mushroom Sandwich with Caper Aioli!