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Portobello Mushroom Panini

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This Portobello Mushroom Panini is a hearty, flavorful sandwich featuring juicy grilled portobello mushrooms, fresh vegetables, and melty fillings pressed between crispy golden bread. Perfect for a quick lunch or dinner, this plant-forward panini is easy to make and incredibly satisfying.

Ingredients

  • 2 ciabatta rolls or slices of sourdough bread
  • 2 large portobello mushrooms, stems removed
  • 2 tbsp olive oil
  • 2 cloves garlic, minced
  • 1 tbsp balsamic vinegar
  • Salt, to taste
  • Black pepper, to taste
  • 1/2 cup mozzarella cheese or vegan cheese
  • 1 tomato, sliced
  • 1 cup fresh spinach or arugula
  • 2 tbsp pesto or hummus

Instructions

  1. Preheat a grill pan or skillet over medium heat.
  2. Brush portobello mushrooms with olive oil and season with garlic, balsamic vinegar, salt, and pepper.
  3. Grill mushrooms for 4–5 minutes per side until tender and juicy.
  4. Slice bread and spread pesto or hummus on each side.
  5. Layer grilled mushrooms, tomato slices, spinach or arugula, and cheese onto the bread.
  6. Close the sandwich and lightly brush the outside with olive oil.
  7. Cook in a panini press or skillet until bread is golden and crispy and cheese has melted, pressing gently if needed.
  8. Slice and serve warm.

Notes

Add roasted red peppers or caramelized onions for extra flavor.Swap pesto for sun-dried tomato spread or garlic aioli.Use kale or mixed greens instead of spinach.For a vegan version, use dairy-free cheese or add avocado for creaminess.Marinate mushrooms beforehand for deeper flavor.