Description
Vegetarian Cheesy Mushroom Sliders bring earthy forest flavors to classic mini sandwiches with portobello mushrooms and melted cheese. Loaded with umami depth and nestled between pillowy brioche buns, these sliders offer a satisfying plant-based twist you’ll crave again and again.
Ingredients
Scale
Main Ingredients:
- 1 pound mixed mushrooms, sliced
- 1 package savory slider rolls (12-count)
- 1 cup Gruyère, grated
- 1 cup Fontina, grated
Aromatics and Seasonings:
- 1 large shallot, thinly sliced
- 2 cloves garlic, minced
- 2–3 sprigs thyme, about 1 teaspoon, chopped
- ½ teaspoon kosher salt
- 1 teaspoon tamari (or Worcestershire if not vegetarian)
Fats and Toppings:
- 4 tablespoons unsalted butter, divided
- 1 tablespoon olive oil
- 2 tablespoons unsalted butter, melted
- 3 tablespoons Parmigiano Reggiano
- ¼ teaspoon garlic powder
- ¼ teaspoon kosher salt
Instructions
- Ignite the oven to a warm 350°F (175°C), creating the perfect environment for these savory vegetarian delights.
- Heat a large skillet over medium flame, introducing olive oil and of butter to create a luxurious cooking base.
- Introduce sliced mushrooms to the skillet, gently coaxing them to a golden-brown perfection through occasional stirring, approximately 5 minutes.
- Incorporate the remaining of butter, followed by finely chopped shallots, minced garlic, and fragrant thyme leaves, allowing the aromatics to soften and meld together for about 3 minutes.
- Enhance the mixture with a sprinkle of salt and a splash of tamari, continuing to cook for an additional 3 minutes until the flavors harmonize completely.
- Craft the decadent topping by melting butter in a small mixing bowl, then folding in finely grated Parmigiano Reggiano, garlic powder, and kosher salt until well combined.
- Carefully slice the slider rolls horizontally, creating a perfect canvas for the filling.
- Arrange the bottom halves of the rolls in a parchment-lined baking pan, creating a foundation for the culinary masterpiece.
- Distribute half of the grated cheese across the roll bottoms, creating a melty base layer.
- Generously spoon the caramelized mushroom mixture over the cheese, ensuring an even distribution of flavors.
- Crown the mushroom layer with the remaining cheese, creating a luxurious blanket of dairy delight.
- Delicately place the top halves of the rolls, completing the slider sandwiches.
- Lovingly brush the roll tops with the prepared butter topping, ensuring a golden, glistening finish.
- Slide the pan into the preheated oven, allowing the sliders to bake for 12-15 minutes until the rolls transform to a beautiful golden hue and the cheese melts into creamy perfection.
- Remove from the oven, slice into individual sliders, and serve while warm, inviting guests to indulge in these irresistible vegetarian treats.
Notes
- Prep these sliders ahead of time by sautéing mushrooms and storing in the refrigerator up to 2 days before assembling.
- Swap regular tamari with gluten-free version for those with dietary restrictions.
- Fresh thyme elevates the flavor profile, but dried thyme works perfectly as a convenient alternative.
- Choose sturdy slider rolls that can hold the juicy mushroom mixture without becoming soggy.
- Grate Parmigiano Reggiano fresh for maximum flavor and melt-in-your-mouth texture.
- Pat mushrooms dry before cooking to ensure proper golden-brown caramelization and prevent excess moisture.
- Prep Time: 15 minutes
- Cook Time: 20 minutes
- Category: Lunch, Appetizer, Snacks
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 12
- Calories: 290 kcal
- Sugar: 2 g
- Sodium: 350 mg
- Fat: 22 g
- Saturated Fat: 13 g
- Unsaturated Fat: 8 g
- Trans Fat: 0.5 g
- Carbohydrates: 15 g
- Fiber: 2 g
- Protein: 12 g
- Cholesterol: 60 mg