01 -
In a food processor, mix together flour, sugar, and salt. Add in butter and pulse mixture until it resembles wet sand. Pour in ice water, starting with 3 tablespoons, and pulse again. Pulse until the dough comes together, forming a ball. Add an additional tablespoon of ice water if needed to bring the dough together.
02 -
Place the dough on a floured surface, roll into a ball, cover with plastic wrap, and refrigerate for at least 30 minutes or up to 2 days.
03 -
Preheat the oven to 375°F. Line a large baking tray with parchment paper.
04 -
Sprinkle a work surface with flour. Roll the dough into a 12-inch circle and transfer to the prepared baking tray. Place a 9-inch cake pan in the center of the circle and press down lightly to create an indentation.
05 -
Peel and core the apples. Cut them in half and slice the halves into very thin slices. Fan each half out and arrange them on the dough, starting from the outer edge and working inward.
06 -
In a small bowl, mix sugar and cinnamon. Sprinkle over the arranged apples. Add butter cubes on top of the apples.
07 -
Lift the dough edges over the apples, folding every 3–4 inches. Mix the egg with 1 tablespoon of water and brush the mixture over the crust.
08 -
Bake for 30–40 minutes, or until the apples are soft and the crust is golden brown.
09 -
Serve the galette warm with a scoop of vanilla ice cream.