I am a big fan of Tart Tatin and love anything with puff pastry even it it's bad for you! All in moderation eh? I quite often make a vegetable tart - but wanted to try a savory upside version and found this recipe on Bon Apetit.They most likely used baby leeks, but I used 1 large leek and cut into 4. I also swopped white wine vinegar for apple cider vinegar. I had to cut and trim them a bit once roasted to fit pan. I also skipped the parmesan and it was still delicious and very rich. Perfect with a green salad 😀
Upside-Down Caramelized Leek Tart Recipe | Bon Appetit
Ingredients
1 pack frozen puff pastry, thawed (I used 1 and half ready rolled sheets)
All-purpose flour (for surface)
6 leeks, root ends and dark green parts removed, cut in half lengthwise
2 Tbsp. extra-virgin olive oil
1/2 tsp salt
1/2 tsp. freshly ground black pepper, plus more
1/4 cup white wine vinegar
2 Tbsp butter
1 tsp. sugar
1 tsp. thyme leaves, plus more for serving
2 Tbsp. Dijon mustard
2 oz. Parmesan, finely grated (about 1/2 cup)
Flaky sea salt
Place a rack in center of oven; preheat to 400°. Roll out puff pastry on a lightly floured
surface to a 12" square. (If you have 2 sheets of pastry, stack and gently roll out to
adhere.) Using a 10" cast-iron skillet turned upside down as your guide, trace a circle
with a sharp knife around circumference of skillet. Reserve scraps for another use.
Prick pastry round all over with a fork. Roll dough onto rolling pin, then unfurl onto a
rimmed baking sheet and chill until ready to use.
Toss leeks, oil, kosher salt, and pepper on another rimmed baking sheet.
Arrange leeks cut sides down and roast until tender and lightly browned in spots, about
20 minutes. Let cool. Remove tough, leathery outer layer, then transfer leeks to a
cutting board.
Meanwhile, bring vinegar to a simmer in 10" cast-iron skillet over medium-high heat
and cook, stirring occasionally, until slightly reduced, about 1 minute. Add butter, sugar,
and 1 tsp. thyme and continue to cook, stirring occasionally, until butter has melted,
about 2 minutes. Remove from heat and let cool slightly.
Arrange leeks cut sides down and side by side in rows in vinegar mixture, trimming as
needed so they all fit snugly in skillet. If there are any gaping holes, fill in with small
pieces. You may have a leek or two left, but better to err on the side of having too
Brush leeks with mustard. Sprinkle with 2 oz. Parmesan. Drape chilled pastry over
leeks, tucking edges inside skillet with a spoon. Cut three 3"-long slits into pastry
(cutting all the way through) to let steam escape—this will help the pastry cook more
evenly. Bake tart until pastry is deeply golden brown and puffed, 35–45 minutes.
Let tart cool slightly, about 5 minutes. Carefully place a large plate on top of skillet.
Using towels, invert tart onto plate. If some of the leeks get left behind in skillet, use a
butter knife or offset spatula to release and nestle them back into tart.
Top tart with thyme. Season with sea salt and pepper.
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