Chicago-Style Bakery Apple Slices: A Classic Sheet-Pan Dessert with Flaky Crust and Cinnamon Apples

Chicago-Style Bakery Apple Slices are a nostalgic Midwestern dessert known for their buttery pastry layers, sweet cinnamon apple filling, and delicate vanilla glaze. Unlike a traditional round apple pie, this dessert is baked in a rectangular pan, sliced into squares or rectangles, and designed to be shared. It became especially popular in neighborhood bakeries because it was easy to prepare in large batches and perfect for gatherings, holidays, and afternoon treats.

This dessert sits somewhere between an apple pie and a pastry bar. It has a flaky double crust that surrounds tender apples cooked with warm spices, while the simple glaze on top adds a bakery-style sweetness. The result is a comforting treat with crisp edges, soft fruit filling, and a nostalgic homemade flavor.

Ingredients

For the Pastry Dough

• 4 cups all-purpose flour
• 1 tablespoon granulated sugar
• 1 teaspoon salt
• 1 ¼ cups cold unsalted butter, cut into small pieces
• ½ cup ice-cold water (plus more if needed)

For the Apple Filling

• 8 medium apples, peeled, cored, and thinly sliced
• 1 cup granulated sugar
• 2 tablespoons all-purpose flour
• 1 ½ teaspoons ground cinnamon
• ¼ teaspoon ground nutmeg
• 1 tablespoon lemon juice
• 1 teaspoon vanilla extract (optional)

For the Vanilla Glaze

• 1 cup powdered sugar
• 2 tablespoons milk
• 1 teaspoon vanilla extract
• 1 tablespoon softened butter (optional for a richer glaze)

Step-by-Step Method

Step 1: Prepare the Pastry Dough

The secret to a bakery-style crust is keeping the ingredients cold. Cold butter creates small pockets in the dough that melt during baking, producing a flaky texture.

1. In a large mixing bowl, combine the flour, sugar, and salt.
2. Add the cold butter pieces.
3. Using a pastry cutter, fork, or your fingertips, work the butter into the flour until the mixture looks like coarse crumbs. Small pieces of butter should still be visible.
4. Slowly add the ice water, one tablespoon at a time, mixing gently until the dough begins to come together.
5. Avoid overmixing because this can make the crust tough.
6. Divide the dough into two equal portions.
7. Shape each portion into a flat rectangle, wrap it, and refrigerate for at least 30 minutes.

Step 2: Prepare the Apple Filling

The filling should be flavorful but not watery. A small amount of flour helps absorb the apple juices while baking.

1. Peel and slice the apples into thin, even pieces.
2. Place the apples in a large bowl.
3. Add sugar, flour, cinnamon, nutmeg, lemon juice, and vanilla extract.
4. Toss everything together until the apples are evenly coated.
5. Allow the mixture to rest for about 10–15 minutes so the flavors combine.

For the best texture, choose apples that hold their shape during baking, such as Granny Smith, Honeycrisp, or a combination of sweet and tart varieties.

Step 3: Prepare the Baking Pan

1. Preheat the oven to 400°F (200°C).
2. Lightly grease a 9×13-inch baking pan or line it with parchment paper.
3. Remove one piece of chilled dough from the refrigerator.
4. Place it on a lightly floured surface and roll it into a rectangle large enough to cover the bottom of the pan.
5. Carefully transfer the dough into the pan.
6. Press it gently into the corners to create an even bottom crust.

Step 4: Add the Apple Layer

1. Spread the prepared apple filling evenly over the bottom crust.
2. Make sure the apples reach the edges so every slice has a generous amount of filling.
3. Avoid leaving large gaps between apple slices because the filling will shrink slightly during baking.

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