These caramelized onion and goat cheese tarts are the perfect blend of sweet, savory, flaky, and creamy. Made with buttery puff pastry, slow-cooked onions, and tangy goat cheese, they look fancy but are incredibly easy to prepare. Whether you’re hosting guests or just want to treat yourself, this recipe delivers big flavor with minimal effort.
This recipe has become one of those “make it again!” dishes in our home. The first time I made these tarts, the smell of onions slowly caramelizing filled the kitchen, and my husband kept sneaking in to ask when they’d be ready. By the time they came out of the oven—golden, bubbly, and irresistible—our little family devoured them straight from the baking tray. Now, they’re our go-to for cozy evenings, quick appetizers, and even lazy weekend dinners with a simple salad on the side.
Why This Caramelized Onion & Goat Cheese Tart Recipe
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Simple yet elegant – looks bakery-worthy with only a few ingredients
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Perfect flavor balance – sweet onions, tangy goat cheese, and buttery pastry
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Versatile – ideal as an appetizer, light lunch, or party snack
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Minimal prep – just a handful of pantry staples
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Crowd-pleasing – always disappears fast at gatherings
Ingredients
Makes approximately 8 small tarts
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Puff pastry sheet, thawed – 250 g (0.55 lb)
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Yellow onions, thinly sliced – 400 g (0.88 lb)
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Olive oil – 30 g (0.07 lb / about 2 tbsp)
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Unsalted butter – 14 g (0.03 lb / 1 tbsp)
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Granulated sugar – 4 g (0.01 lb / 1 tsp)
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Balsamic vinegar – 5 g (0.01 lb / 1 tsp)
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Goat cheese, crumbled – 115 g (0.25 lb)
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Fresh thyme leaves – 2 g (0.004 lb / 1 tsp)
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Salt and freshly ground black pepper – to taste
Directions
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Set your oven to 200°C (400°F) and line a baking tray with parchment paper.
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Warm the olive oil and butter together in a skillet over medium heat until melted.
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Add the sliced onions along with sugar, salt, and pepper. Cook slowly, stirring often, until the onions soften and turn a deep golden brown, about 18–22 minutes.
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Mix in the balsamic vinegar and fresh thyme, then remove the pan from heat.
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Lightly roll out the puff pastry and slice it into equal squares. Arrange them on the prepared baking tray.
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Spoon the caramelized onions onto each pastry square and sprinkle generously with goat cheese.
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Bake for 15–20 minutes, or until the pastry is puffed and beautifully golden.
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Let cool slightly and enjoy warm.
Notes
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Cheese swap: Feta or cream cheese can replace goat cheese if preferred.
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Extra flavor: Add a drizzle of honey or a pinch of chili flakes before serving.
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Make-ahead tip: Caramelize the onions up to 2 days in advance and store them in the fridge.
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Serving idea: Pair with a fresh green salad or serve as a party appetizer.
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Nutrition note: These tarts are rich and satisfying—perfect for smaller portions that still feel indulgent.