19½ by 9-inch sheet puff pastry, thawed and halved
1poundGranny Smith applespeeled, cored, halved, and sliced ⅛-inch thick, divided
1tablespoonunsalted buttercut into ¼-inch pieces, divided
4teaspoonssugardivided
2tablespoonsapple jelly
2teaspoonswater
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Instructions
Preheat & Prepare Pastry: Adjust oven rack to middle position and preheat to 400°F. Arrange puff pastry halves evenly apart on a parchment-lined rimmed baking sheet (approx. 9x13 inches). Fold edges inward by ¼ inch and crimp to form a border.
Assemble Galettes: Starting at one corner of the pastry, layer half of the apple slices diagonally, overlapping by half, until fully covered. Dot with half of the butter and sprinkle with 2 teaspoons of sugar. Repeat with remaining apples, butter, and sugar on the second galette.
Bake: Bake for 40–45 minutes, rotating the sheet halfway through, until the crust is golden brown and apples are caramelized.
Glaze & Serve: Microwave apple jelly and water for 30 seconds until bubbly. Brush the warm glaze over the apples. Let the galettes cool for 15 minutes before slicing and serving warm or at room temperature.
Keyword easy apple tart, French apple tart, one-pot apple dessert, quick puff pastry dessert, rustic apple galette, sheet pan dessert, simple fruit tart recipe