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Portobello Caps Stuffed with Spinach and Avocado

Portobello Caps Stuffed with Spinach and Avocado pairs juicy roasted mushrooms with a rich, garlicky spinach filling studded with sun-dried tomatoes and sweet red pepper. Cool, buttery avocado and a light Parmesan finish add contrast and depth in every bite. Serve it as a vibrant vegetarian main for dinner or a hearty appetizer when you want something fresh yet satisfying.

  • Prep15 mins
  • Cook15 mins
  • Serves4
  • DifficultyMedium
Portobello Caps Stuffed with Spinach and Avocado
  1. 1

    Soak the sun-dried tomatoes in a bowl of hot water until they soften, about 20 minutes, then drain.

  2. 2

    Preheat the oven to 400 degrees F (200 degrees C).

  3. 3

    Line a baking sheet with parchment paper.

  4. 4

    Rub the caps of the portobello mushrooms with 2 tablespoons olive oil, or as needed; place the mushrooms gill side up on the prepared baking sheet. Season the mushrooms with oregano, sea salt, and black pepper.

  5. 5

    Bake the mushrooms in the preheated oven until tender, 8 to 10 minutes.

  6. 6

    Put the mushroom stems, sun-dried tomatoes, red bell pepper, and garlic cloves in a food processor; pulse until finely chopped.

  7. 7

    Heat 1 tablespoon olive oil in a large skillet over medium-high heat. Cook and stir the sun-dried tomato mixture in the hot oil until fragrant, about 2 minutes.

  8. 8

    Stir the spinach into the skillet; cover, reduce the heat to medium-low, and cook until the spinach is wilted, about 3 minutes more, stirring occasionally. Drain any excess liquid from the skillet.

  9. 9

    Spoon the spinach mixture over the baked mushroom caps.

  10. 10

    Divide the diced avocado over the stuffed mushrooms and sprinkle with Parmesan cheese to serve.