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Caramelized onion galette cut into wedges.

Caramelized Onion Galette

Heather Smoke
Flaky, all butter pastry crust filled with roasted caramelized onions, baked until crisp and golden brown, and drizzled with a touch of honey.

All recipes on Curly Girl Kitchen are developed for high altitude at 5,280 feet. See FAQs for adjusting to higher or lower elevations.

5 from 1 vote
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Prep Time 20 minutes
Cook Time 2 hours 15 minutes
Total Time 2 hours 35 minutes
Course Appetizer, Side Dish
Cuisine American
Servings6

Ingredients
 

Crust

Filling

  • 3 tbsp olive oil
  • 3-4 sweet yellow onions (3 large or 4 small/medium)
  • ½ tsp coarse Kosher salt (if using table salt, use half the amount)
  • ⅛ tsp black pepper
  • 2 oz goat cheese, optional
  • 2 tbsp honey

Instructions
 

Make the Pastry Crust

  • Prepare 1/2 recipe All Butter Pastry Crust as instructed.
  • Wrap the dough in plastic wrap, and refrigerate while you roast the onions.

Roast the Onions

  • Preheat the oven to 350 F, and position a rack in the center of the oven.
  • Drizzle the olive oil into a 9x13 inch baking pan or medium sized baking dish.
  • Quarter the onions, leaving the root and stem ends intact so that the quarters stay together. Peel off the papery outer onion peel. Arrange the quartered onions in the baking pan, cut side down. Sprinkle with the salt and pepper.
  • Roast the onions for about 60-90 minutes, turning the onions every 20-30 minutes so that each side comes into contact with the pan. The onions should be golden and caramelized, with some darker crispy edges.
    Tip: The time needed to roast the onions can depend on altitude, and how crowded your pan is. My baking dish was a little smaller than a 9x13 pan, and was pretty crowded, so I roasted mine for a full 90 minutes to get enough color on the onions.

Bake the Galette

  • When the onions are roasted, set the pan aside to let them cool for a few minutes. If there are any tough outer layers on the onions, go ahead and peel them off.
  • Increase the oven temperature to 375 F. Line a half-sheet baking sheet with parchment paper.
  • On a lightly floured surface, roll out the pie dough into a circle about 12 inches in diameter. Set the dough on the parchment-lined baking sheet.
  • If using the goat cheese, crumble the goat cheese over the dough, then arrange the onions on top of the cheese, leaving a 1 1/2 inch border all around.
  • In a small bowl, lightly beat the egg with a fork. Fold the edges of the dough up, and brush the edges of the dough with the beaten egg, which will also help to seal the creases of dough together.
  • Bake the galette for about 40-45 minutes, until the pastry is golden brown and crisp.
  • Drizzle with the honey, cut into 6 wedges with a sharp knife and serve warm.
Keyword Caramelized, Galette, Onion, Pie
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