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Mushroom and Leek Brioche Tart Recipe

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.

Prep Time
30 mins
Cook Time
30 mins
Total Time
1 hr 10 mins
Servings: 4 servings
Calories: 366 kcal
Course: Main Course
Cuisine: Vegetarian

Ingredients

  • 1 tsp dried yeast
  • 2 tsp slightly warmed nut or other dairy free milk or water
  • 65 g plain flour (½ cup)
  • 30 g rye flour (⅓ cup)
  • ¾ 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
  • ⅔ 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
  • ½ cup cashews soaked for at least 2 hours
  • ½ cup water
  • 1 tbs Maille Dijon mustard
  • salt to taste

Instructions

    Cup of Yum
  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. When you are ready to serve drizzle the mustard cream over the tart and serve.

Nutrition Information

Calories 366kcal (18%) Carbohydrates 30g (10%) Protein 11g (22%) Fat 23g (35%) Saturated Fat 3g (15%) Cholesterol 81mg (27%) Sodium 723mg (30%) Potassium 522mg (15%) Fiber 3g (12%) Sugar 3g (6%) Vitamin A 655IU (13%) Vitamin C 5.7mg (6%) Calcium 53mg (5%) Iron 3.6mg (20%)

Nutrition Facts

Serving: 4servings

Amount Per Serving

Calories 366

% Daily Value*

Calories 366kcal 18%
Carbohydrates 30g 10%
Protein 11g 22%
Fat 23g 35%
Saturated Fat 3g 15%
Cholesterol 81mg 27%
Sodium 723mg 30%
Potassium 522mg 11%
Fiber 3g 12%
Sugar 3g 6%
Vitamin A 655IU 13%
Vitamin C 5.7mg 6%
Calcium 53mg 5%
Iron 3.6mg 20%

* Percent Daily Values are based on a 2,000 calorie diet.