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Savoury Pumpkin Tart with Mushrooms and Chestnut Flour

A savoury French pumpkin tart, ideal as a vegetarian special for Thanksgiving, Christmas or just for a fall menu. For non-vegetarians, add some leftover turkey.

Prep Time
30 mins
Cook Time
30 mins
Additional Time
1 hr
Total Time
2 hrs 20 mins
Servings: 6 people
Calories: 491 kcal
Course: Main Course , Appetizer , Snacks , Lunch
Cuisine: French

Ingredients

Chestnut Flour Tart Base:
  • 100 g (3.5oz/ 1 cup) chestnut flour sifted (see substitutes below)
  • 150 g (5.5oz/ 1¼ cups) plain flour (all-purpose T55)
  • 125 g (4.5oz/ ½ cup) unsalted butter softened
  • ½ teaspoon salt (fleur de sel)
  • 4-5 tablespoon water
Pumpkin Tart Filling:
  • 300 g (11oz/ 2½ cups) raw pumpkin roughly chopped into small chunks (See NOTES)
  • 3 tablespoon olive oil
  • 1 leek, white part sliced finely
  • 300 g (11oz/ 4 cups) mushrooms (Parisian mushrooms, cremini) cut into big pieces
  • 1 teaspoon sage leaves finely chopped
  • 3 large eggs organic
  • 250 g (9oz/ 1 cup) crème fraîche/heavy cream or half fat cream (I use 15% fat)
  • good pinch ground nutmeg
  • good pinch salt and pepper
  • 2 tablespoon freshly grated parmesan* (not the packaged grated stuff)

Instructions

For the chestnut flour pastry base:
    Cup of Yum
  1. Mix all the ingredients together in a stand mixer or food processor and mix just until the dough forms a ball. Wrap in cling film and leave to rest in the fridge for 30 mins. Remove the dough from the fridge and leave to stand about 10 minutes, to make it easy to roll it out.
  2. Roll out the pastry on a lightly floured surface. Then, roll the pastry around the rolling pin to transfer it to a 28cm/11 inch tart tin.
  3. Press the pastry well into the sides. Roll over the top of the tin to clean up any rough edges. Chill in the fridge for 30 minutes (this is important so the sides won't fall during baking later).
  4. Preheat the oven to 200°C/180°C fan (400°F/Gas 6).
  5. If making a large tart, blind bake for 15 minutes covered in parchment and baking beans or rice. No need for tartlets.
For the filling:
  1. If using a hard pumpkin like potimarron/Red Kuri squash, roast whole in the oven for 15 minutes. This will make it easier to cut into small chunks (no need to cut off the skin, it's edible). Let cool slightly to spoon out the seeds.Place the chopped pumpkin with 2 tablespoon of the olive oil and chopped sage in a roasting tin. Roast in the oven for 20 minutes.No need to do this if using purée - see NOTES.
  2. Meanwhile, over medium heat, dry fry the mushrooms: there’s no need to add any oil. Wait until the mushrooms give off their liquid then transfer to a plate. Set aside to cool slightly. In the same pan, add the remaining olive oil and gently fry the sliced leek until translucent but not brown.
  3. In a bowl, whisk together the eggs, crème fraîche, nutmeg, grated cheese and season to taste.
  4. Sprinkle the roasted pumpkin and sage over the tart base, top with the leek and mushrooms and pour over the creamy egg mix. Bake in the oven for about 30 minutes.

Notes

  • * for strict vegetarians, use your favourite cheese, otherwise replace with emmental.
  • For Thanksgiving and Christmas: You could also replace (some of) the mushrooms with leftover turkey.
  • Pumpkin: In France it's hard to find canned pumpkin and so we use popular kuri squash (potimarron), butternut or regular pumpkin. However, if you prefer to use canned purée, then use a cup.
  • Chestnut Flour substitutes: if you can't find chestnut flour, then replace with either wholemeal, buckwheat or hazelnut flour. However, do try to find it, as it has a unique, delicious flavour for this tart.
  • Matching wines: Enjoy with a Beaujolais Cru: a Saint-Amour, Morgon, Fleurie, Côte de Brouilly - or a red from the Loire (Chinon/Saumur).
  • Measures are recommended weighed in grams and ounces for the best, consistent results. I have added cups as an approximate guide.