Smoky Mushroom Flatbread

Mushrooms are often underrated, yet they’re among the most versatile and flavour-packed ingredients out there.
When prepared right, mushrooms transform, developing a rich, meaty texture and soaking up flavours beautifully.
This Smoky Mushroom Flatbread is a fantastic way to showcase the earthy richness of portobello mushrooms.
Each bite brings together the chewy warmth of mushrooms, the crunch of red cabbage, the tang of pickled onions, and the creamy goodness of hummus.
Perfect as a main or as a show-stopping appetiser, this dish is sure to be a hit.
Whether you’re a mushroom lover or a veggie skeptic, this recipe will leave you wanting more.
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Ingredients You’ll Need
Here’s a list of everything you’ll need to make this Smoky Mushroom Flatbread recipe:
- For the mushrooms:
- 400g portobello mushrooms
- For the marinade:
- 2 tbsp extra virgin olive oil
- 2 tbsp BBQ sauce
- 2 tsp Cajun seasoning
- 1 tsp paprika
- Salt and pepper to taste
- To serve:
- 1/4 of a red cabbage head
- 2 sticks of celery
- Hummus
- Flatbread
- Pickled red onions
- Fresh coriander
Why Portobello Mushrooms Are Perfect for This Recipe
Portobello mushrooms are a staple in plant-based cooking for good reason.
Their dense, meaty texture holds up well in high heat, making them perfect for roasting.
They also absorb marinades exceptionally well, allowing the flavours to infuse fully as they roast.
When you bite into these mushrooms, you get a satisfying chewiness similar to meat, which makes this dish both hearty and filling.
Their umami taste pairs beautifully with smoky and spicy marinades, enhancing the depth of flavour in the flatbread.
If you’ve been looking for a meat-free option that feels just as substantial, portobello mushrooms are the ideal choice.

How to Make the Perfect Smoky Marinade
The smoky marinade in this recipe is key to achieving deep, intense flavours.
A blend of BBQ sauce, Cajun seasoning, and paprika provides a layered smokiness with just the right amount of spice and warmth.
To get the most out of your marinade, try making it a bit ahead of time.
This lets the flavours mingle and deepen. When you marinate the mushrooms, allow them to sit for a while so they can fully absorb the rich, smoky notes.
The result is tender mushrooms that taste complex and satisfyingly savoury, making every bite packed with flavour.
The Health Benefits of Mushrooms and Red Cabbage
Mushrooms are a great source of nutrients, especially when you’re looking for meatless options.
They’re low in calories, yet rich in vitamins and minerals, including B vitamins, potassium, and antioxidants.
Meanwhile, red cabbage brings its own set of health benefits.
Packed with fibre, vitamin C, and antioxidants, red cabbage adds a satisfying crunch and vibrant colour to the dish.
It’s not only nutritious but also pairs well with the rich mushrooms, balancing the textures and flavours in this flatbread recipe.
Together, these ingredients make this dish as nourishing as it is delicious.

How to Serve and Customise This Dish
This Smoky Mushroom Flatbread is a versatile recipe that can be served in various ways.
For a light main course, serve each flatbread with a side salad or soup.
If you’re planning to make this dish for a gathering, consider cutting the flatbread into smaller, bite-sized pieces to serve as a canapé or appetiser.
You can also experiment with different toppings to suit your taste preferences.
Try adding sliced avocado for creaminess, or sprinkle crumbled vegan feta on top for a hint of tanginess.
This flatbread is easily customisable, making it a great base for whatever flavours you fancy.
How to Make This Recipe
Step 1: Prepare the Mushrooms
Preheat your oven to 190 degrees Celsius.
Gently wash and pat dry the portobello mushrooms, then slice them into pieces roughly half a centimetre thick. Place the sliced mushrooms in a large baking dish.
In a small bowl, mix together the extra virgin olive oil, BBQ sauce, Cajun seasoning, paprika, salt, and pepper.
Pour this marinade over the mushrooms, ensuring they are well coated. Marinating the mushrooms in advance, if possible, will enhance their smoky flavor even more.
Let them sit in the marinade for at least 30 minutes before roasting.

Step 2: Roast the Mushrooms
Roast the marinated mushrooms in the oven for around 30 minutes, giving them time to tenderise and soak in the smoky marinade.
This step intensifies their flavour, transforming them into the dish’s main attraction.
As they roast, their edges will caramelise slightly, adding to the overall depth and texture.
While the mushrooms are roasting, take the opportunity to prepare the other components of the dish.
Step 3: Prepare the Vegetables
While the mushrooms are in the oven, thinly slice the red cabbage and celery into fine strips using a mandoline or a sharp knife.
These crisp vegetables add a refreshing crunch to the flatbread, balancing the rich and smoky mushrooms.
You can toss the cabbage and celery with a squeeze of lemon juice and a pinch of salt to give them a quick pickled effect, making the flavours even more vibrant and enhancing the flatbread’s overall texture.

Step 4: Assemble the Flatbread
Once the mushrooms are done, turn off the oven and place your flatbread inside for about 1 minute to warm through.
Spread a generous layer of hummus on each flatbread, then load them up with the roasted mushrooms, sliced red cabbage, and celery.
Warming the flatbread slightly makes it more pliable and enhances the overall texture of the dish.
Step 5: Add the Finishing Touches
Top your flatbread with pickled red onions and a sprinkling of fresh coriander.
These toppings add a burst of acidity and freshness, perfectly complementing the smoky mushrooms and creamy hummus.
For an extra kick, try drizzling some hot sauce or add a few chili flakes on top.
These smoky mushroom flatbreads are incredibly versatile, so feel free to experiment with different seasoning.
Serve them as a main course with a side salad for a complete meal, or cut them into smaller pieces for an impressive appetizer at your next gathering.

Frequently Asked Questions
Can I use other types of mushrooms?
Absolutely! While portobello mushrooms provide a fantastic texture, you can substitute with cremini, shiitake, or button mushrooms, depending on what you have on hand.
Each mushroom type will bring its own unique texture and flavour, so feel free to experiment with your favourites.
Can I make this recipe gluten-free?
Yes, simply use gluten-free flatbread or wraps.
Many supermarkets now carry gluten-free options that taste just as delicious.
Be sure to double-check that all your ingredients, like BBQ sauce, are also gluten-free if you’re preparing this for someone with a gluten intolerance.
What other toppings can I add?
The possibilities are endless. This recipe is a fantastic base for adding your own twist.
Try avocado slices for extra creaminess, a sprinkle of dukkah for crunch, or a handful of rocket leaves for a peppery bite.
If you enjoy a bit of heat, a few jalapeño slices work well too.
Can I make this ahead of time?
You can definitely prepare some components in advance.
The mushrooms can be marinated and stored until you’re ready to roast them, and the veggies can be sliced ahead as well.
However, it’s best to assemble the flatbreads just before serving to ensure everything is fresh and the flatbread remains firm.
Is there a way to make this dish spicier?
If you’re a fan of spicy food, there are a few ways to add heat to this recipe.
You could add a dash of cayenne pepper to the mushroom marinade, drizzle some hot sauce over the finished flatbread, or add fresh chilli slices as a topping.
This dish is incredibly flexible, so you can easily adjust the spice level to your taste.

And that’s it for this Smoky Mushroom Flatbread recipe. You can find the whole thing on a handy recipe card just below, so be sure to Pin it for later!
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Smoky Mushroom Flatbread
Ingredients
- 400 g portobello mushrooms
For the Marinade
- 2 tbsp extra virgin olive oil
- 2 tbsp BBQ sauce
- 2 tsp Cajun seasoning
- 1 tsp paprika
- Salt and pepper to taste
To Serve
- 1/4 of a red cabbage head
- 2 sticks of celery
- Hummus
- 2 Flatbreads
- Pickled Red Onions
- Fresh coriander
Instructions
- Preheat the oven to 190 degrees Celsius
- Gently wash and pat dry the mushrooms
- Cut into slices roughly half a centimetre thick and add to a large baking dish
- Mix all the marinade ingredients together in a small bowl and pour over the mushrooms
- Mix well until evenly coated and bake in the oven for 30 minutes
- Meanwhile use a mandoline or a knife to thinly slice the red cabbage and celery into fine strips
- Remove the mushrooms when cooked and turn off the oven then place your flatbread in the oven for 1 minute to heat through
- Take your flatbread and load up with hummus, red cabbage, celery, the mushrooms and top with pickled red onion and coriander