Apple Crumb Bars

DessertFall Baking

Oct 15

Written By Amelia

If you know anything about me, it is that I LOVE a crumb topping and I also love shortbread. If you don’t know me, welcome and I love a crumb topping and shortbread. Obviously these bars are amazing because they contain those two things, plus an apple cinnamon goo AND salted caramel. Everything that we need in life to be happy!

About This Apple Crumb Bar Recipe with Salted Caramel

These homemade Apple Crumb Bars are made with three delicious layers: a rich vanilla shortbread crust, a thick cinnamon apple filling, and a buttery brown sugar crumble. The apples are cooked before baking to create a tender, flavorful filling that holds together beautifully. A drizzle of homemade salted caramel takes these apple pie-inspired bars to the next level — you’re welcome!!!

Why You'll Love These Apple Crumb Bars

Three delicious layers: Buttery shortbread, cinnamon-spiced apples, and chunky brown sugar crumble.
Loaded with apples: Made with 10 cups of fresh apples for a gooey apple filling.
Perfectly balanced: Tart Granny Smith apples complement the sweet crumble and salted caramel.
Make-ahead friendly: These bars slice beautifully once cooled and chilled.
Perfect for fall: A delicious dessert for Thanksgiving, holiday gatherings, or apple season.
Versatile: Enjoy them plain, drizzled with caramel, or topped with vanilla ice cream.

Ingredients You'll Need

Shortbread Crust

All-purpose flour
Granulated sugar
Salted butter
Vanilla extract

Apple Filling

Granny Smith apples
Honeycrisp apples
Salted butter
Light brown sugar
Ground cinnamon
Ground nutmeg
Lemon juice
Vanilla extract
Cornstarch

Brown Sugar Crumb Topping

All-purpose flour
Light brown sugar
Ground cinnamon
Salted butter

For Serving

Homemade salted caramel sauce or store-bought caramel sauce
Vanilla ice cream (optional)
Flaky sea salt (optional)

How to Make Apple Crumb Bars

Preheat the oven to 350°F and line a 9×13-inch metal baking pan with parchment paper. Combine the shortbread ingredients, press into the pan, and par-bake for 15–18 minutes. Meanwhile, cook the sliced apples with butter, brown sugar, and spices until slightly tender. Stir in the cornstarch mixture along with the vanilla, cooking until thickened. Spread the apple filling over the crust, then cover with the brown sugar crumb topping. Bake for approximately 40 minutes, until golden brown and bubbling around the edges. Cool completely before slicing and drizzle with salted caramel sauce before serving.

Tips for Success

Use a combination of apples: Granny Smith and Honeycrisp provide the perfect balance of tartness, sweetness, and texture.
Don't skip par-baking: Baking the shortbread crust first helps prevent a soggy bottom.
Precook the apples: This removes some excess moisture and helps the filling thicken before baking.
Use a metal pan: A light-colored metal baking pan promotes even baking and a firmer shortbread crust.
Make large crumbs: Gently squeeze the crumble mixture together to create chunky, bakery-style clusters.
Cool before slicing: Allow the bars to cool completely, then refrigerate for cleaner cuts.
Add caramel before serving: Drizzle the bars just before serving to preserve the crumb topping's texture.

Frequently Asked Questions

What are the best apples for apple crumb bars?
Granny Smith and Honeycrisp apples are an excellent combination. Granny Smith provides tartness and holds its shape, while Honeycrisp adds natural sweetness and flavor.

Can I make apple crumb bars ahead of time?
Yes! These bars are great for making ahead because the filling firms up as they cool. Prepare them a day in advance and refrigerate until ready to serve.

Do I need to cook the apples before baking?
For this recipe, yes. Precooking the apples helps release excess moisture, softens the slices, and creates a thick filling that holds together when sliced.

Can I make these without caramel?
Absolutely! The apple crumb bars are delicious on their own. The salted caramel drizzle is optional but adds extra richness and flavor.

How do I keep the shortbread crust from getting soggy?
Par-baking the crust and thickening the apple filling before assembling help prevent excess moisture from soaking into the shortbread.

How should I store apple crumb bars?
Store the bars in an airtight container in the refrigerator for up to 4 days. Add the caramel drizzle just before serving.

Can I freeze apple crumb bars?
Yes. Freeze completely cooled bars without the caramel drizzle in an airtight, freezer-safe container for up to 3 months. Thaw overnight in the refrigerator before serving.

What to Serve With Apple Crumb Bars

These Apple Crumb Bars are delicious served slightly warm or at room temperature with a generous drizzle of homemade salted caramel sauce. Add a scoop of vanilla bean ice cream for an extra-indulgent dessert, or serve with freshly whipped cream and a cup of hot coffee.

More Recipes You'll Love

Apple Crumb Bars with Salted Caramel

Yield: 12-16

Author: Amelia is NOT a Chef

Prep time: 30 MinCook time: 60 MinTotal time: 1 H & 30 M

Buttery shortbread crust layered with tender cinnamon-spiced apples and a thick brown sugar crumb topping, finished with homemade salted caramel sauce.

Cook modePrevent screen from turning off

Ingredients

Shortbread Crust

2 cups all-purpose flour
½ cup granulated sugar
1 cup salted butter, melted
2 teaspoons vanilla extract

Apple Filling

10 cups peeled, sliced apples (Granny Smith and Honeycrisp)
5 tablespoons salted butter
⅔ cup packed light brown sugar
2½ teaspoons ground cinnamon
½ teaspoon ground nutmeg
3 tablespoons lemon juice
2½ teaspoons vanilla extract
¼ cup cornstarch

Crumb Topping

1½ cups all-purpose flour
¾ cup packed light brown sugar
1 teaspoon ground cinnamon
¾ cup salted butter, melted

Serving

Homemade salted caramel sauce or store-bought caramel sauce, for drizzling
Vanilla ice cream, optional
Flaky sea salt, optional

Instructions

Preheat oven to 350°F. Line a 9×13-inch metal baking pan with parchment paper, leaving some overhang for easy removal.
In a medium bowl, combine the flour and granulated sugar. Add the melted butter and vanilla extract, stirring until a soft dough forms.
Press the mixture firmly and evenly into the prepared pan. Bake for 15–18 minutes, until set and just beginning to turn lightly golden around the edges. Remove from the oven and set aside.
Peel and core the apples. Slice approximately ⅛–¼ inch thick, then cut the slices into pieces about 1–1½ inches long.
Melt the butter in a large Dutch oven or deep skillet over medium heat. Add the apples, brown sugar, cinnamon, and nutmeg. Cook for approximately 10–12 minutes, stirring occasionally, until the apples begin to soften and release their juices but still hold their shape.
Whisk the cornstarch with the lemon juice until smooth. Stir into the apples along with the vanilla extract. Continue cooking for 1–3 minutes, stirring gently, until the juices thicken and coat the apples. Remove from the heat.
In a medium bowl, combine the flour, brown sugar, and cinnamon. Add the melted butter and stir with a fork until large, moist crumbs form.
Spread the apple filling evenly over the par-baked shortbread crust, including the thickened juices.
Sprinkle the crumb mixture evenly over the apples, gently squeezing some of the mixture together with your fingers to create larger crumb clusters.
Bake for approximately 40 minutes, until the crumb topping is golden brown and the apple filling is bubbling around the edges.
Allow the bars to cool completely in the pan. For cleaner slices, refrigerate for 1–2 hours after cooling to room temperature.
Lift the bars from the pan using the parchment paper and cut into 12–16 squares. Drizzle with homemade salted caramel sauce or store-bought caramel sauce. Serve with vanilla ice cream and a sprinkle of flaky sea salt, if desired.

Notes

Apples: I used 5 Granny Smith and 2 large Honeycrisp apples, which yielded approximately 10 cups after peeling, coring, and slicing.

Apple texture: Cook the apples until slightly tender but still holding their shape. They'll continue softening in the oven.

Cornstarch: Whisking the cornstarch into the lemon juice helps prevent lumps. Alternatively, mix it with 3 tablespoons cold water and add the lemon juice separately.

Crumb topping: Gently squeeze portions of the mixture together to create large, bakery-style crumbs.

Pan: A light-colored metal 9×13-inch pan works best for even baking and a firm shortbread crust.

Cooling: Allow the bars to cool completely before slicing so the apple filling sets properly.

Caramel: Drizzle just before serving. Homemade salted caramel sauce or store-bought caramel both work.

Storage: Store covered in the refrigerator for up to 4 days.