01 -
Set oven temperature to 400°F (200°C) and allow to preheat fully.
02 -
In a large bowl, toss cubed butternut squash with olive oil, salt, pepper, and thyme. Evenly distribute on a baking sheet. Roast for 25 to 30 minutes, stirring once midway, until tender and golden.
03 -
While squash roasts, roll out pie crust on a floured surface to a 12-inch diameter, about 1/8-inch thick. Transfer to a parchment-lined baking sheet.
04 -
In a small skillet over medium heat, warm a splash of olive oil. Sauté onion or shallot for 5 to 7 minutes until translucent and aromatic. Set aside to cool.
05 -
When the roasted squash has cooled slightly, spread sautéed onions in the center of the pie crust, leaving a 2-inch border. Arrange roasted squash evenly over the onions. Top with crumbled goat cheese and grated Parmesan.
06 -
Gently fold the outer edge of the dough over the filling, pleating as needed for a rustic edge. Brush the exposed crust with beaten egg.
07 -
Bake galette in preheated oven for 25 to 30 minutes, until crust is golden and crisp.
08 -
Optionally drizzle honey over the galette and allow to rest a few minutes before slicing. Garnish with fresh parsley or arugula if desired. Serve warm or at room temperature.