Homemade Chicago-Style Bakery Apple Squares Recipe: Buttery Bliss - Beard and Bonnet

Ingredients

• 4 cups all-purpose flour
• 1 ¼ cups (2 ½ sticks / 280 g) unsalted butter, chilled
• 4 cups apple pie filling (canned or homemade)
• 1 cup powdered sugar
• ½ cup (120 mL) ice water, plus more as needed
• 2 tbsps unsalted butter, softened
• 1 tbsp granulated sugar
• 1 tsp salt
• 1 tbsp (15 mL) whole milk
• 1 tsp vanilla extract