Stuffed Mushrooms with Tuna Recipe: Easy Spanish Tapa 2026

Stuffed mushrooms with tuna are one of those little Spanish tapas that disappear from the table before anything else. The caps roast until tender, while the filling stays juicy and savory with sweet onion, flaky tuna and a hit of oregano. It is comfort food that happens to be light, and it comes together in about 25 minutes.

This recipe is wonderfully simple: you make a quick sofrito of onion and chopped mushroom stems, fold in the tuna, then pile it into the caps and blanket everything with grated cheese. The oregano brings the aroma, though parsley or thyme work beautifully too. Serve them as a tapa spread or as a main with a fresh salad on the side.

Ingredients for Stuffed Mushrooms with Tuna

Makes 2 servings

• 6 large mushrooms
• 1 teaspoon olive oil
• 1 small onion
• 1 small can of tuna in oil
• Salt
• Ground black pepper
• 1 teaspoon dried oregano
• 2 tablespoons grated cheese

How to Make Stuffed Mushrooms with Tuna Step by Step

1. Prep the mushrooms and preheat the oven

First, preheat the oven to 180 °C (350 °F). Clean the mushrooms and remove the stems, then cut the stems into small pieces.

2. Sauté the onion and stems

Heat 1 teaspoon of olive oil in a skillet and sauté 1 small chopped onion along with the chopped mushroom stems for 5–6 minutes, stirring the mixture occasionally.

3. Add the tuna and season

Turn off the heat and add 1 small can of drained tuna, then stir well. Season with salt and pepper to taste.

4. Fill the mushroom caps

Arrange the mushrooms on a baking tray, season them lightly with salt and fill them with the prepared tuna mixture.

5. Top with oregano and cheese

Sprinkle them with 1 teaspoon of dried oregano and finish with 2 tablespoons of grated cheese.

6. Bake the stuffed mushrooms

Bake the mushrooms for 10 minutes, until the cheese is golden.

7. Serve right away

Serve the stuffed mushrooms with tuna immediately so you can enjoy them freshly made.

Tips for the Best Stuffed Mushrooms with Tuna

Pick the right mushrooms

Look for large, firm mushrooms with closed caps so they hold the filling without collapsing. Wipe them clean with a damp cloth or paper towel instead of rinsing, since mushrooms soak up water and can turn soggy in the oven.

Make the filling your own

The oregano brings the aroma here, but parsley or thyme are also excellent options. Just keep the proportions the same so the tuna stays the star, and drain the canned tuna well so the mixture does not turn wet.

Serve them the Spanish way

These stuffed mushrooms shine on a tapas table or as a main course alongside a fresh salad. The gratinated cheese straight from the oven is what makes them irresistible, so bring them to the table as soon as they come out.

30 Favorite Recipes I Keep Coming Back to at Home

Maybe you're a lot like me and like having a stash of cozy comfort dishes, tried-and-true international favorites, and desserts that please a crowd.

On nights when I'm after something indulgent and rich, my picks tend to be this La Viña Molten Cheesecake recipe, this refined Original French Crème Brûlée recipe, or a luscious Chocolate Mousse Cake recipe. And whenever a fruity, comforting dessert is calling my name, this timeless French Tarte Tatin recipe is the one I reach for.

For mornings that need to be easy and meals on the lighter side, these airy Oatmeal and Banana Pancakes recipe are a regular at my house, along with a hearty Stuffed Sweet Potato recipe or these vibrant Eggs Stuffed with Avocado and Salmon recipe. And when my pantry needs a gluten-free basic, this no-fuss Gluten-Free Rice Flour recipe is one I'm happy to whip up.

If tapas and Mediterranean cooking are what I'm craving, I'll cycle through this punchy Basque Tuna with Tomato recipe, a crunchy Patatas Bravas Air Fryer recipe, a smooth Tirokafteri Greek Dip Sauce recipe, and a bright Burrata Salad with Tomato and Pesto recipe. This elegant Italian Vitello Tonnato recipe is another one I love to serve when the occasion calls for something a bit more dressed up.

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Some nights I'm in the mood for street food or party fare, and that's when I'll throw together this saucy Homemade Chicken Doner Kebab recipe, a crispy Salchipapas recipe, a punchy Mexican Pork Carnitas recipe, or these crisp Korean Hobak Jeon recipe. These simple Air Fryer Zucchini Rings recipe also make a great little appetizer or snack.

And when guests are coming and drinks are part of the plan, I'll often serve dinner alongside this cool Original Cuban Mojito recipe, a strong Long Island Iced Tea recipe, or a pitcher of this fruity Bleeding Spanish Sangria recipe. To fill out the spread, this zippy French Remoulade Sauce recipe works beautifully on the side, or I'll finish the table with this eye-catching Mediterranean Black Rice with Squid recipe.

Even More Tasty Recipes to Cook for the Family

After years of testing and tweaking recipes in my own kitchen, I've come to believe the greatest dishes are built on simplicity, dependable methods, and serious flavor.

The recipes gathered here are the ones I genuinely keep coming back to—whether I'm putting together a fast meal just for me or making something memorable for friends and family.

When dessert is on my mind, the rich, silky Orange Chocolate Mousse Recipe is a go-to for those times I want something elegant without much fuss. The caramelized Trdelnik Slavic Pastry Recipe, modeled on the well-known Central European chimney cake, is another sweet favorite. If baking is your thing, knowing how to make syrup for better dessert texture comes in handy, and my Inverted Sugar Recipe walks through exactly how I do it at home.

On days when I want something light and fresh, I'll usually make the timeless Italian Caprese Salad Recipe or a flawlessly cooked Simple Poached Egg Recipe. For comfort cooking with more heft, the filling Meatball Sandwich Recipe, the creamy Russian Stroganoff Beef Recipe, and the fast weeknight go-to One Pot Pasta Recipe are ones I recommend often.

I'm also a big fan of passing along dishes from kitchens around the world, such as the genuine Sorropotún de Bonito Fish Stew Recipe, crunchy Chilean Pumpkin Sopaipillas Recipe, and the traditional Spanish Cochifrito Segovian Fried Pig Recipe.

Air fryer cooking is another area I turn to often, since it cuts down on time without sacrificing texture. The ones I make most include Air Fryer Pork Ribs Recipe, Air Fryer Chicken Thighs Recipe, Air Fryer Sweet Potatoes Recipe, Air Fryer Baked Potatoes Recipe, Air Fryer Peppers Recipe, Air Fryer Mixed Sandwich Recipe, Air Fryer Toasted Bread Recipe, and Air Fryer Hard-Boiled Eggs Recipe.

And for those steering clear of wheat, my cozy Gluten-Free Lasagna Recipe shows that a classic baked pasta can still be indulgent, cheesy, and deeply comforting without any gluten.

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