Stuffed Portobello Mushrooms

Meaty portobello caps filled with spinach, garlic, tomato and melting mozzarella, topped with crisp breadcrumbs and baked.

Servings
4
Prep
15 min
Cook
25 min
Total
40 min
Oven
400°F205°C
Photo: Stuffed mushrooms
Photo of stuffed mushrooms (not this exact recipe) by Crisco 1492, Wikimedia Commons, CC BY-SA 4.0

Ingredients

Servings
Units

Equipment

  • Rimmed baking sheet
  • Skillet

Instructions

  1. Heat the oven to 400°F. Brush the mushroom caps all over with 1 tbsp oil, sprinkle with half the salt and roast gill side up for 10 minutes. Pour off any liquid.Heat the oven to 205°C. Brush the mushroom caps all over with 1 tbsp oil, sprinkle with half the salt and roast gill side up for 10 minutes. Pour off any liquid.

  2. Meanwhile heat 1 tbsp oil in the skillet and cook the garlic for 30 seconds. Add the spinach and the rest of the salt and cook until wilted, 2 minutes. Stir in the tomatoes and mozzarella off the heat.

  3. Toss the panko and grated cheese with the remaining oil.

  4. Fill the mushroom caps with the spinach mixture and top with the crumbs. Bake until the cheese is melted and the crumbs golden, 12–15 minutes. Scatter with basil.

Notes

  • Scraping out the dark gills with a spoon keeps the filling from turning muddy.

My notes

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Nutrition estimate

Calories
255
Protein
12 g
Carbs
11 g
Fat
19 g

Per serving, estimated from USDA FoodData Central values for the listed amounts. Optional ingredients and to-taste seasoning are not included, and actual values vary by brand. How we estimate

An original recipe written for CookSimple. Illustration: original artwork for CookSimple. Added September 25, 2026.