Portabella Mushroom Sliders with Garlic Aioli
These Portabella Mushroom Sliders with Garlic Aioli are a savory and satisfying vegetarian alternative to traditional sliders. The earthy mushrooms are marinated in a balsamic glaze, grilled to perfection, and served on soft buns with a creamy garlic aioli. Perfect for a light meal or an appetizer!
Recipe Tips and Tricks:
- For extra flavor, marinate the mushrooms for at least 30 minutes.
- Grill the mushrooms until they’re tender and have nice grill marks for that smoky flavor.
- You can substitute the garlic aioli with any dip of your choice for variety.
- Choose a soft, sturdy bun to hold the juicy mushrooms and aioli.

Portabella Mushroom Sliders with Garlic Aioli
Ingredients
Method
- In a small bowl, whisk together balsamic vinegar, olive oil, salt, and pepper. Place the mushrooms in the mixture, ensuring they’re fully coated. Let them marinate for at least 30 minutes.
- Prepare the garlic aioli by combining mayonnaise, minced garlic, lemon juice, Dijon mustard, salt, and pepper in a bowl. Stir until smooth.
- Heat the grill or a grill pan to medium-high heat. Grill the mushrooms for about 5-7 minutes per side until tender and juicy.
- While the mushrooms are grilling, butter the buns and toast them until golden brown.
- Assemble the sliders by spreading a generous amount of garlic aioli on the buns, adding the grilled mushrooms, and topping with fresh spinach if desired.
- Serve immediately and enjoy!
Notes
- Feel free to add your favorite toppings such as cheese, tomatoes, or pickles for added texture and flavor.
- These sliders can easily be made vegan by substituting the mayonnaise with a plant-based option.
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