Name: Mushroom and Leek Brioche Tart Recipe
Prep time: 30 min
Cook time: 40 min
Total time: 70 min
Yield: 4
Ingredients: 1 tsp dried yeast; 2 tsp slightly warmed nut or other dairy free milk or water; 65 g plain flour ((1/2 cup)); 30 g rye flour ((1/3 cup)); 3/4 tsp salt; 1 egg; 40 g olive oil (not extra virgin (3tbs)); 1 extra egg (beaten, for the egg wash); 1 tbs olive oil; 1 leek; 1 clove fat of garlic (finely chopped); 2/3 cup white wine or vegetable stock; 1 tbs Maille Dijon Mustard; 250 g mixed swiss brown and button mushrooms (chopped (9 oz)); 1 tbs thyme leaves (picked from the stalk); salt and pepper (to taste); 1/2 cup cashews (soaked for at least 2 hours); 1/2 cup water; 1 tbs Maille Dijon Mustard; salt (to taste)

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This Mushroom and Leek Brioche Tart is a lovely dairy-free vegetarian cross between a pizza and a tart, and a lot more decadent! Make mini mushroom tarts to kick start your holiday season parties.

Mustard is one of those essentials I always have in the fridge. With it, I know that a good salad dressing is only a few moments away, and a delicious meal is not far away either.

Maille is one of my favourite mustards, so I was only too happy to collaborate with them to bring you a delicious mustard recipe suitable for the holidays!

One of my favourite flavour combinations is mushrooms and mustard, and my Mushroom and Leek Brioche Tart ticks all the flavour boxes for me!

My dairy-free brioche uses olive oil in place of butter, and I’ve added a touch of rye flour for a lovely rustic nutty touch.

Topping the beautiful brioche base are sweet leeks, cooked slowly until meltingly soft in a bath of white wine and Maille Dijon Mustard.

The leeks are topped with golden mushrooms, fried over a medium high heat to bring out their natural umami, and finishing it all off is a swirl of mustard cashew cream.

The result is an amazing mushroom tart that looks a little like a super posh pizza that is oh so good. So good in fact you’d forget there’s not a shred of cheese or dairy involved!

WIN a $100 gift basket of Maille goodies

The wonderful team at Maille Australia are offering 1 Delicious Everyday reader a $100 gift basket of Maille goodies this Christmas.

To win a $100 Maille gift basket

Leave a comment below that begins with “Magical Maille Mustard” and tell me what you’ll be making this Christmas with mustard.

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This competition is open to Australian residents only and ends on December 19. The winner will be drawn and announced on December 21.

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This Mushroom and Leek Brioche Tart is a lovely dairy-free vegetarian cross between a pizza and a tart, and a lot more decadent! | Click for the recipe

Mushroom and Leek Brioche Tart Recipe

Course Main Course

Cuisine vegetarian

Prep Time 30 minutes

Cook Time 40 minutes

Total Time 1 hour 10 minutes

Servings 4

Author Jennifer Schmidt

Ingredients

1 tsp dried yeast
2 tsp slightly warmed nut or other dairy free milk or water
65 g plain flour (1/2 cup)
30 g rye flour (1/3 cup)
3/4 tsp salt
1 egg
40 g olive oil not extra virgin (3tbs)
1 extra egg beaten, for the egg wash

Topping

1 tbs olive oil
1 leek
1 clove fat of garlic finely chopped
2/3 cup white wine or vegetable stock
1 tbs Maille Dijon Mustard
250 g mixed swiss brown and button mushrooms chopped (9 oz)
1 tbs thyme leaves picked from the stalk
salt and pepper to taste

Mustard Cashew Cream

1/2 cup cashews soaked for at least 2 hours
1/2 cup water
1 tbs Maille Dijon Mustard
salt to taste

Instructions

Place the yeast and milk in a small bowl or cup and stir to dissolve yeast. Leave for 5 minutes or until foamy. Add the flour, eggs, yeast mixture and sea salt to the bowl of a stand mixer fitted with a paddle attachment and mix until the dough comes together. Switch the paddle attachment for a dough hook and knead, gradually adding the olive oil, a tsp at a time, allowing the oil to become fully incorporated before adding more. For a little bit it will look like a hot oily mess, but stick with it, the oil will mix into the dough with a little patience. Knead for 10 minutes or until the dough smooth and elastic. Cover dough with a tea towel and leave in a warm place for 1½ to 2 hours or until doubled in size.
Knock back the dough and place on a tray covered with baking paper that has been lightly floured. Press down and use your fingers to shape into a rough circle. Lightly brush the top with more oil and cover with a tea towel and leave an hour or until doubled in size. While the dough is rising preheat the oven to 220 celsius (425 Fahrenheit) and cook the toppings.
Place a frying pan over a medium-low heat. Split the leek in two lengthways and slice roughly 1.5cm (1.2 inch) thick. Add half the olive oil to the pan and gently fry the leeks until soft. Add the garlic, salt and white wine and bring the pan to a simmer before reducing the heat to low. Simmer until almost all of the wine has been absorbed. Remove from the heat and add the Dijon Mustard and stir well to combine.
Place another frying pan over a medium high heat. Add the remaining oil and the mushrooms and cook until lightly golden. Season with salt and pepper and add the thyme leaves. Stir well to combine and remove from the heat.
Once the toppings have cooled top the tart with the leeks, leaving a border at the edge of the tart. Top the leeks with the mushrooms and brush the edges of the tart with the egg wash. Bake for 15 to 20 minutes until the tart crust is golden and the underside of the tart is cooked.
While the tart is baking make the cashew cream drain the cashews and place in a blender along with the water and mustard. Blend until smooth and season to taste.
When you are ready to serve drizzle the mustard cream over the tart and serve.

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This recipe was sponsored by Maille Australia. Thank you for supporting the sponsors that keep Delicious Everyday delivering free recipes to your kitchen!

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