Balsamic Portobello Mushroom Sandwiches with Caper Aioli

Recipe Collection: Lunch

Balsamic Portobello Mushroom Sandwiches with Caper Aioli elevate your lunch or dinner with juicy, marinated portobello mushrooms broiled to perfection. Paired with a tangy caper aioli, fresh tomato slices, and crisp lettuce, all nestled in a toasted bun, this vegetarian recipe is perfect for a quick weeknight meal or a casual gathering. With a rich flavor profile and satisfying texture, these sandwiches are versatile enough to be served with a side salad or sweet potato fries.

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Overview

Elevate your sandwich game with these Balsamic Portobello Mushroom Sandwiches. Juicy, marinated portobello mushrooms are broiled to perfection and paired with a tangy caper aioli, fresh tomato slices, and crisp lettuce, all nestled in a toasted bun. This quick and delicious meal is perfect for a weeknight dinner or a casual lunch with friends.

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 Teaspoons (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 Cups 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 marinade.
3. Place the portobello mushroom caps, gill side up, in a shallow baking pan. Brush them with half of the marinade.
4. Broil the mushrooms for 5 minutes.
5. Flip the mushroom caps, brush with the remaining marinade, and broil for an additional 4 minutes until tender and juicy.
6. While the mushrooms are broiling, lightly toast the hamburger buns.
7. In a small bowl, mix the drained capers with the mayonnaise to create a tangy aioli.
8. Spread the caper aioli on the toasted buns.
9. Assemble the sandwiches by placing a broiled mushroom cap on each bun, followed by a slice of tomato and a leaf of lettuce.
10. Serve immediately and enjoy the savory flavors of this delightful sandwich.

Enjoy your homemade Balsamic Portobello Mushroom Sandwiches with Caper Aioli!