Description
This Roasted Mushroom Sandwich with Horseradish Aioli is a gourmet vegetarian sandwich bursting with flavor. Earthy roasted mushrooms, melted cheese, and peppery arugula are layered on crusty rolls with a zesty horseradish aioli for a satisfying meal.
Ingredients
Scale
Main Ingredients:
- 1 lb mixed mushrooms (such as cremini, shiitake, or oyster, sliced)
- 2 tbsp olive oil
- 1 tbsp balsamic vinegar
- 1 tsp soy sauce
- ½ tsp garlic powder
- ½ tsp salt
- ¼ tsp black pepper
- 4 crusty sandwich rolls or ciabatta buns
- 4 slices provolone or Swiss cheese
- 1 cup arugula or baby spinach
For the Horseradish Aioli:
- ½ cup mayonnaise
- 1 tbsp prepared horseradish
- 1 tsp Dijon mustard
- 1 tsp lemon juice
- Pinch of salt and pepper
Instructions
- Preheat the oven: Preheat oven to 425°F.
- Prepare the mushrooms: Toss sliced mushrooms with olive oil, balsamic vinegar, soy sauce, garlic powder, salt, and pepper. Roast on a baking sheet for 20–25 minutes, stirring halfway.
- Make the aioli: Mix mayonnaise, horseradish, Dijon mustard, lemon juice, salt, and pepper in a bowl.
- Assemble the sandwiches: Spread aioli on rolls, layer with roasted mushrooms, cheese, and arugula. Serve warm.
Notes
- Add sautéed onions or roasted red peppers for extra depth.
- For a vegan option, use plant-based mayo and cheese.
- Prep Time: 15 minutes
- Cook Time: 25 minutes
- Category: Main Course
- Method: Roasting, Assembly
- Cuisine: American
Nutrition
- Serving Size: 1 sandwich
- Calories: 420
- Sugar: 4g
- Sodium: 570mg
- Fat: 26g
- Saturated Fat: 6g
- Unsaturated Fat: 17g
- Trans Fat: 0g
- Carbohydrates: 32g
- Fiber: 3g
- Protein: 12g
- Cholesterol: 25mg