Coarse sugar, for sprinkling
1 Egg, beaten
2 tbsp. Unsalted butter, cut into small pieces
1/4 tsp. Kosher salt
1/2 tsp. Vanilla extract
1 tsp. Cinnamon
2 tbsp. All-purpose flour, plus more for rolling
2/3 tbsp. Granulated sugar
2 tbsp. Freshly-squeezed lemon juice
3 1/2 pounds Assorted apples
8 tbsp. Ice water
1 tbsp. Apple cider vinegar
1/2 tsp. Kosher salt
2 tbsp. Granulated sugar
1 cup Butter, cut into 1/2" pieces
3 cups All-purpose flour