All-Butter Pie Dough:

2 1/2 cups (300 g) all-purpose flour

1 tbsp (13 g) granulated sugar

1 tsp salt

1 cup (227 g) very cold unsalted butter, cut into 1/2-inch pieces

1/2 cup (120 ml) cold water

1/2 cup (110 g) ice cubes

1 tbsp (15 ml) apple cider vinegar or white vinegar

Egg Wash:

1 large egg

1 tbsp (15 ml) whole milk

Brown Sugar Filling:

2/3 cup (134 g) brown sugar

1 tbsp (6 g) all-purpose flour

2 tsp ground cinnamon

1/2 tsp salt

Royal Icing:

2 cups (240 g) powdered sugar

2 tbsp (15 ml) whole milk or water

Gel food coloring, optional

Decoration:

Sprinkles and candy eyeballs, optional