Baked Stuffed Portobello Mushrooms with Spinach and Feta
Why this recipe works
- Tender base, crisp topping: Portobello mushrooms soften in the oven while the reserved breadcrumbs give the filling a lightly crisp finish.
- Bright, balanced filling: Lemon zest and a little juice lift the salty feta and earthy mushrooms without overpowering the spinach.
- Straightforward method: The filling is simply sautéed, mixed, spooned into the mushroom caps and baked, making the recipe approachable for everyday cooking.
Get the most out of this recipe
Common mistakes
- Avoid a watery filling: Cook the spinach until the pan is nearly dry before mixing it with the feta and breadcrumbs.
- Do not overpack the caps: Press the filling in lightly rather than compacting it, so it stays tender instead of dense.
- Watch the final bake: Bake just until the mushrooms are tender and the top is golden; leaving them too long can make the caps collapse and release excess liquid.
Ingredient notes
- Choose sturdy portobellos: Look for large mushroom caps that feel firm and intact, as they hold the filling better during baking.
- Season with the feta in mind: Feta varies in saltiness, so taste the filling before adding any extra seasoning.
- Use lemon to finish: A small squeeze of lemon brightens the filling; add it gradually so the cheese and mushrooms remain savoury rather than sharp.
Make-ahead tips
- Prepare the filling ahead: The spinach and feta mixture can be made in advance and kept chilled, then spooned into the mushroom caps before baking.
- Reheat gently: Reheat on a baking tray at 180°C (355°F) until piping hot; the breadcrumb topping will be softer than when freshly baked.
- Best freshly baked: For the crispest topping and firmest mushroom texture, serve the stuffed mushrooms soon after baking.
Serving ideas
- Serve with salad: A crisp green salad balances the rich feta and earthy mushrooms.
- Make it more substantial: Serve alongside herbed rice, couscous or roasted potatoes for a fuller vegetarian meal.
- Finish with freshness: A little extra lemon zest or chopped soft herbs adds brightness just before serving.
Equipment you'll need
Ingredients
Instructions
- Heat the oven to 200°C (390°F). Wipe the mushrooms clean, then twist out the stems and finely chop them. Put the mushroom caps on a baking tray, gill-side up, and brush with about half the olive oil.
- Warm the remaining olive oil in a large frying pan over a medium heat. Add the chopped mushroom stems and cook for 3 to 4 minutes until softened, then add the garlic and cook for 30 seconds until fragrant. Add the spinach in batches and cook until fully wilted and any liquid has evaporated.
- Tip the spinach mixture into a mixing bowl and let it cool for 2 minutes. Finely grate in the lemon zest, then crumble in the feta and add most of the breadcrumbs, reserving a small handful for the top. Stir in the black pepper and squeeze in a little lemon juice to brighten the filling.
- Divide the filling between the mushroom caps, pressing it in lightly. Sprinkle over the reserved breadcrumbs for a crisp top. Bake for 18 to 20 minutes until the mushrooms are tender and the topping is golden.
Recipe notes
Serving suggestions
This recipe pairs well with:
Tips
- If your mushrooms release a lot of liquid, spoon it away from the tray halfway through baking so the topping stays crisp.
- For the best texture, cook the spinach until the pan is nearly dry before mixing in the feta and breadcrumbs.
- If serving anyone who is vulnerable, use pasteurised feta and ensure the mushrooms are baked until piping hot throughout.
Substitutions
- Replace Feta cheese with Goat cheese for a creamier, tangier filling.
- Replace Breadcrumbs with Gluten-free bread crumbs to make the topping gluten-free.
Storage
- Refrigerate up to 2 days
- Cool completely, then refrigerate in a sealed container. Reheat on a baking tray at 180°C (355°F) for 10 to 12 minutes until piping hot; the topping will soften slightly.
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Recipe overview
- Servings: 2 servings
- Total time: 40min (20min active)
- Difficulty: Easy
- Cuisine: American
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Allergens:
Gluten Milk Wheat
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