Caramelized Turnip Tarte Tatin with Thyme

This caramelized turnip tarte Tatin layers tender turnips, fragrant thyme, and buttery brown sugar caramel beneath a crisp puff pastry crust. Once baked, the tart is carefully inverted so the glossy turnips become its striking top.

Turnips bring a savory, gently earthy flavor that balances the caramel’s sweetness. The apple cider vinegar adds a tart note, while black pepper and fresh thyme keep each bite aromatic and well rounded.

How the caramel complements the turnips

Unsalted butter gives the brown sugar a rich base, and the sugar melts into a coating that clings to the turnips as they cook. Apple cider vinegar and water join the caramel before the vegetables go into the skillet. The vinegar’s tang helps balance the sweetness, and the liquid gives the turnips a chance to soften beneath the cover.

Choose turnips that are small enough to cut into even rounds. Consistent slices cook at a similar pace, so you’re less likely to have some tender pieces alongside others that are still firm. Overlapping the rounds creates a continuous layer that holds together when the tart is turned out. Fresh thyme leaves, kosher salt, and black pepper season the vegetables without hiding their flavor.

Build a tender filling and golden crust

A covered stretch over medium-low heat lets the turnips cook in the caramel before the pastry goes on. They should be nearly tender at that point; the oven finishes the cooking as the pastry puffs. Once you uncover the skillet, let the caramel thicken enough to coat the turnips. A thinner sauce may not cling as well when the tart is inverted.

Thawed puff pastry needs to be pliable so you can roll it into a round and lay it over the skillet without tearing. Tuck its edges inside the pan to enclose the turnips. Brushing the top with beaten egg mixed with water helps the pastry bake to a deeply golden finish. Use an ovenproof skillet so the same pan can move from the stovetop to the oven.

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Invert the tart with care

Let the baked tart rest before turning it out. This pause gives the layers a chance to settle, but the caramel can still catch on the skillet. Run a knife around the edge to loosen the pastry, then carefully invert the tart onto a serving plate, keeping the plate steady against the skillet.

If the tart sticks after resting, warm the skillet over low heat briefly to loosen the caramel, then try inverting again. Take care as you handle the pan. Finish with small thyme sprigs, which echo the thyme in the filling and add a fresh herbal touch to the glossy turnip topping.

Frequently Asked Questions

How do I know when the turnips are ready for the pastry?

After cooking covered, the rounds should be nearly tender rather than fully soft. They’ll continue cooking in the oven beneath the pastry. Keeping the slices even helps them reach that stage together.

Why does the caramel need to thicken before baking?

Uncovering the skillet lets excess liquid cook away and the caramel coat the turnips. That coating helps the topping look glossy when you invert the tart. Keep an eye on it as it thickens so the turnips remain coated.

What should I do if the tart sticks to the skillet?

After the tart rests, run a knife around its edge and carefully invert it. If the caramel still holds the tart in place, warm the skillet over low heat for a short spell to loosen it, then try again.