Butternut Squash and Caramelized Onion Galette Recipe
Introduction
This Butternut Squash and Caramelized Onion Galette is a rustic, savory tart perfect for cozy dinners or elegant appetizers. Combining tender roasted squash with sweet caramelized onions wrapped in flaky puff pastry, it offers comforting flavors and a beautiful presentation.

Ingredients
- 1 medium butternut squash (about 2 cups cubed)
- 2 large sweet onions
- 1 sheet puff pastry (8 oz)
- 2 tablespoons olive oil
- 2 teaspoons fresh thyme leaves
- Salt and pepper to taste
Instructions
- Step 1: Preheat your oven to 400°F (200°C) and line a baking sheet with parchment paper.
- Step 2: Peel, seed, and cube the butternut squash. Toss with 1 tablespoon olive oil, salt, pepper, and fresh thyme. Spread evenly on the prepared baking sheet.
- Step 3: In a skillet over medium heat, add the remaining 1 tablespoon olive oil and sliced onions. Cook, stirring occasionally, until soft and golden brown, about 15 minutes. Season with salt to taste.
- Step 4: Roll out the puff pastry on a floured surface to about 1/8 inch thick and transfer it to the baking sheet.
- Step 5: Spread the caramelized onions over the center of the pastry, leaving a 2-inch border around the edges. Layer the roasted butternut squash on top, then fold the edges slightly towards the center to create a rustic border.
- Step 6: Bake the galette for 25-30 minutes or until the pastry is golden brown and crisp. Let it cool slightly before serving.
Tips & Variations
- For extra richness, sprinkle crumbled goat cheese or feta over the squash before folding the edges.
- Swap fresh thyme with rosemary or sage for a different herbal note.
- Use store-bought caramelized onions to save time when short on prep.
- Brush the pastry edges with an egg wash for a glossy finish.
Storage
Store leftover galette in an airtight container in the refrigerator for up to 3 days. Reheat in a 350°F oven for 10-15 minutes to maintain the crispness of the pastry. Avoid microwaving to prevent sogginess.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I make this galette vegan?
Yes, this recipe is naturally vegan as long as you use puff pastry made without butter or animal products. Check the package to confirm.
Can I prepare the caramelized onions and roasted squash ahead of time?
Absolutely. You can prepare both components a day in advance and assemble the galette just before baking to save time on the day you plan to serve it.
PrintButternut Squash and Caramelized Onion Galette Recipe
This Butternut Squash and Caramelized Onion Galette is a rustic, savory tart featuring roasted butternut squash paired with sweet, caramelized onions on a flaky puff pastry crust. Perfect as a hearty appetizer or light meal, it’s easy to prepare and showcases the natural sweetness and texture contrast between the ingredients.
- Prep Time: 20 minutes
- Cook Time: 40 minutes
- Total Time: 1 hour
- Yield: 4 servings 1x
- Category: Appetizer
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Ingredients
Vegetables
- 1 medium butternut squash (about 2 cups cubed)
- 2 large sweet onions
Puff Pastry & Oil
- 1 sheet puff pastry (8 oz)
- 2 tablespoons olive oil
Herbs & Seasoning
- 2 teaspoons fresh thyme leaves
- Salt and pepper to taste
Instructions
- Preheat Oven: Preheat your oven to 400°F (200°C) and line a baking sheet with parchment paper to prevent sticking.
- Prepare Squash: Peel, seed, and cube the butternut squash. Toss the cubes with 1 tablespoon olive oil, salt, pepper, and fresh thyme leaves until evenly coated. Spread the seasoned squash evenly on the prepared baking sheet for roasting.
- Caramelize Onions: Slice the sweet onions and heat 1 tablespoon olive oil in a skillet over medium heat. Add the onions and a pinch of salt, cooking slowly while stirring occasionally until they become soft and golden brown, about 15 minutes.
- Prepare Puff Pastry: On a floured surface, roll out the puff pastry sheet to about 1/8 inch thickness. Transfer it carefully to a clean baking sheet lined with parchment paper.
- Assemble Galette: Spread the caramelized onions evenly over the center of the puff pastry, leaving a 2-inch border around the edges. Layer the roasted butternut squash cubes on top of the onions. Gently fold up and slightly pleat the edges of the pastry over the filling to create a rustic border.
- Bake: Place the assembled galette in the preheated oven and bake for 25-30 minutes or until the puff pastry is golden brown and crisp.
Notes
- For extra flavor, sprinkle some grated Parmesan cheese over the filling before folding the edges.
- You can substitute fresh thyme with rosemary or sage for a different herbal note.
- Serve warm or at room temperature with a side salad for a complete meal.
- The galette can be reheated in a low oven to maintain its crispiness.
Keywords: butternut squash galette, caramelized onion tart, vegetarian puff pastry, savory galette, fall recipes

