This stuffed portobello mushrooms recipe is simply incredible, stuffed with spinach artichoke filling and baked with crispy bread crumbs!

Here’s a recipe that doubles as a meatless dinner or a stunning side dish: and it couldn’t be more delectable. Try these spinach artichoke Stuffed Portobello Mushrooms! Yes, that’s right. It combines the deliciousness of spinach artichoke dip with the meaty, savory goodness of a baked portobello mushroom. Top it off with crunchy Italian breadcrumbs, and you’ll amaze everyone at the table! It’s vegetarian but will please every type of eater: we promise.

Stuffed portobello mushrooms: an overview

Alex and I have made quite a few stuffed portobello mushroom recipes in our day, but this one is the absolute best. Why? Because the filling is our famous spinach artichoke dip, which without fail wows everyone who dips into it with a hunk of crusty bread. Use this as the filling for stuffed portobello mushrooms, and transforms them into a delicious vegetarian dinner or a fancy side dish. Here’s the outline of how to cook portobello mushrooms:

• Bake the mushrooms: You’ll add olive oil, salt and pepper, then bake at 450 degrees for 15 minutes. Then drain out the liquid. See more below!
• Make the filling: Stir together the spinach artichoke filling using spinach, artichokes, Greek yogurt, mayo, Parmesan and spices.
• Stuff the mushrooms: Add the filling and top with Italian panko or Italian breadcrumbs. Bake another 10 minutes at 425 degrees.

Tips on how to cook portobello mushrooms: baked or roasted!

The best way to cook whole portobello mushrooms is baked or roasted, which makes them beautifully tender and brings out the savory, meaty flavor. You can do this to make a portobello burger, or it works great for stuffed. There are a few things to note about baking the portobello caps:

• Remove the stems before baking. This is important because the stem is tough and hard to cut into. It also makes it easier to stuff!
• Bake until just tender, but not falling apart (15 minutes). When making stuffed portobello mushrooms, you want the cup shape of the mushroom cap to stay in tact. Overbaking them can lead to collapse.
• Important: drain all the liquid before stuffing! Portobello mushrooms contain 90% of their weight in water. That means once they’re baked, you’ll notice water has accumulated in the caps. It’s perfectly normal and expected: just make sure to drain off and discard all liquid that is released.

What’s Italian panko? Is there a substitute?

These stuffed portobello mushrooms are topped Italian panko, which gives them a satisfying crunch in each bite. What’s panko? Panko is a Japanese-style breadcrumb mixture that is airier and lighter than traditional breadcrumbs. You can use either panko or breadcrumbs in this recipe. Note that Italian panko or Italian breadcrumbs contain seasonings and salt. It’s easily available in most grocery stores and online. You can also find gluten-free panko or breadcrumbs online to make this a gluten free recipe! If you can’t find Italian panko, here’s what to do:

• Use regular panko and add salt and Italian seasonings. Mix 1/3 cup panko with 1/8 teaspoon kosher salt and 1/2 tablespoon Italian seasoning (or 1 teaspoon dried oregano and 1/4 teaspoon each dried basil and thyme)
• Or look for Italian or plain breadcrumbs instead, or make your own breadcrumbs! For plain breadcrumbs, use the seasoning recommendations for panko above.

Make it a meal!

Once they’re baked and stuffed, pull them out of the oven and take a bite. You’ll taste meaty mushroom, spinach artichoke dip, and a little breadcrumb crunch: it’s extraordinary! This recipe works very well as a vegetarian dinner recipe with a few side dishes. Or you can use it as a fancy side dish and pair it with steak or fish! They’re great for a dinner party, or even a romantic dinner like Valentine’s Day.

Remember if you’re serving them as a meatless main, add side dishes full of plant-based protein. Here are a few ideas:

• Salad: Add a green salad: try Arugula Salad, Chopped Salad, Brussels Sprouts Salad, or Fennel Orange Salad
• Beans: Ideal for adding plant-based protein to a vegetarian meal! Add Borlotti Beans, White Beans, or Cannellini Beans.
• Rice or quinoa: Add Rice or Perfectly Seasoned Quinoa.
• Farro or couscous: Try simple and delicious Farro with Herbs, or quick cooking couscous.
• Roasted vegetables: Serve with Best Roasted Vegetables, Epic Roasted Broccoli or Roasted Asparagus with Lemon.
• Sautéed vegetables: While the mushrooms bake, make a pan of Ultimate Sauteed Vegetables.

All about portobello mushrooms

Want to know more about the mighty portobello mushroom? Here’s what you need to know about this popular mushroom variety:

• The portobello mushroom (aka portobella or portabella) is one of the most widely consumed mushroom varieties in the world, called Agaricus bisporus. The white mushroom and cremini (aka baby bella) are the same variety of mushroom, just earlier growth stages than the portobello. The portobello is the oldest stage, so it has the most meaty and savory flavor.
• Where to find it? You can find the portobello mushroom at most mainstream grocery stores. Often it comes packaged in containers with 3 to 6 mushroom caps.
• What does a portobello mushroom taste like? Portobello mushrooms taste intensely meaty and savory, with loads of umami. While they taste meaty, remember to add protein to the meal if you’re making them as a vegetarian main dish! They don’t contain much protein in themselves.

More portobello mushroom recipes

Love portobellos? They are some of the tastiest mushrooms on the planet, in our opinion! Here are a few more ways we love to eat them:

• Eat them on a bun as a Portobello Mushroom Burger (maybe with caramelized onions?)
• Throw them on the grill for Grilled Portobello Mushrooms
• Add them to a stir fry like Go-To Tofu Stir Fry
• Eat them over greens in a Portobello Mushroom Salad

This stuffed portobello mushrooms recipe is…

Vegetarian. For gluten-free, use gluten-free panko or breadcrumbs.

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A Couple Cooks - Healthy, Whole Food, & Vegetarian Recipes