In a food processor combine flour, sugar, salt, water, and butter pulse until coarse crumble is formed.

For the filling peel, core, and slice apples about ¼” thick.

In a bowl toss sliced apples with sugar, cinnamon, and lemon zest

Roll out tart dough into pan, trim edges.

Layer apples around tart pan, brush melted butter over tart

Sprinkle with sugar and place tart pan on sheet tray.

Bake in the center of the oven for 45 minutes.