These Maple Pecan Apple Crumble Bars combine a buttery shortbread-style crust, cinnamon-spiced apples, toasted pecans, maple flavor, and a golden oat crumble topping.

They have all the cozy flavor of apple crisp but are much easier to slice, pack, and serve. They’re perfect for fall baking, weekend desserts, Thanksgiving gatherings, or an afternoon treat with coffee.

Easy Apple Crumble Bars for Fall

Apple desserts are hard to beat once fall arrives, and these bars give you several classic autumn flavors in one dessert.

The bottom is made from a buttery oat crumble mixture. Part of it is pressed firmly into the baking pan to create the crust, while the rest is reserved for the crumbly topping.

Fresh apples are tossed with brown sugar, cinnamon, maple syrup, lemon juice, and a little cornstarch before being spread over the crust.

Chopped pecans are added to the remaining crumble before it goes over the apples.

As everything bakes, the apples soften, their juices thicken, and the topping becomes crisp and golden.

⭐ Why You’ll Love This Recipe

• Loaded with fresh apples
• Buttery oat crumble
• Real maple syrup
• Crunchy pecans
• Warm cinnamon flavor
• Easy to slice
• Perfect for fall baking
• Great Thanksgiving dessert
• No complicated pie crust
• Delicious warm or chilled

🛒 Ingredients

For the Crust & Crumble

All-purpose flour – Forms the base of the crumble.

Old-fashioned rolled oats – Add texture and a rustic appearance.

Brown sugar – Adds sweetness and caramel notes.

Cinnamon – Brings warmth to both the crust and topping.

Salt – Balances the sweetness.

Unsalted butter – Melted butter holds the crumble together.

Pecans – Add crunch and nutty fall flavor.

For the Apple Filling

Apples – Use firm apples that hold their shape when baked.

Granny Smith, Honeycrisp, Braeburn, or a combination work particularly well.

Brown sugar – Sweetens the filling.

Pure maple syrup – Adds subtle maple flavor.

Cinnamon – The primary spice.

Nutmeg – Adds extra warmth.

Lemon juice – Brightens the apple flavor.

Cornstarch – Thickens the juices released by the apples.

Vanilla extract – Rounds out the flavors.

👩‍🍳 How to Make Maple Pecan Apple Crumble Bars

1. Prepare the Pan

Preheat your oven to 350°F (175°C).

Line a 9 × 13-inch baking pan with parchment paper, leaving some overhang on the sides.

Lightly grease if necessary.

2. Make the Crumble Mixture

In a large bowl, combine:

• Flour
• Rolled oats
• Brown sugar
• Cinnamon
• Salt

Pour in the melted butter.

Mix with a fork until irregular moist crumbs form.

3. Make the Crust

Reserve approximately 2 cups of the crumble mixture for the topping.

Press the remaining mixture firmly into the bottom of the prepared baking pan.

Use the bottom of a measuring cup to compact it evenly.

4. Pre-Bake

Bake the crust for approximately 10 minutes.

Remove it from the oven while you prepare the apples.

5. Prepare the Apples

Peel and core the apples.

Cut them into relatively thin slices or small pieces so they’ll soften properly during baking.

6. Season the Apples

Place the apples in a large bowl.

Add:

• Brown sugar
• Maple syrup
• Cinnamon
• Nutmeg
• Lemon juice
• Cornstarch
• Vanilla

Toss gently until the apples are evenly coated.

7. Assemble

Spread the apple mixture evenly over the warm crust.

Make sure the apples reach the corners.

8. Add the Pecans

Mix the chopped pecans into the reserved crumble.

9. Add the Crumble

Scatter the pecan crumble over the apples.

Don’t press it down.

Leave some small spaces where the apples remain visible.

10. Bake

Bake for approximately 35–40 minutes.

The topping should become golden brown and the apple filling should bubble gently around the edges.

11. Cool

Allow the bars to cool completely in the baking pan.

This is important because the apple filling thickens as it cools.

12. Chill for Clean Slices

For particularly neat bars, refrigerate for approximately 30 minutes after cooling.

13. Slice

Lift the entire slab from the pan using the parchment paper.

Cut into squares or rectangles with a sharp knife.

🍎 Best Apples for Crumble Bars

You want apples that won’t completely collapse while baking.

Good choices include:

Granny Smith – Tart and firm.

Honeycrisp – Sweet-tart with excellent texture.

Braeburn – Firm with warm apple flavor.

Pink Lady – Crisp and slightly tart.

Using two varieties together can give the filling more interesting flavor.

✨ Variations

Caramel Apple Crumble Bars

Drizzle a small amount of caramel over individual portions immediately before serving.

Walnut Apple Bars

Replace the pecans with chopped walnuts.

Apple Cranberry Crumble Bars

Replace about one cup of apples with fresh cranberries.

Pear Apple Crumble Bars

Replace approximately one-third of the apples with firm pears.

Extra Maple Apple Bars

Add a small amount of maple extract alongside the vanilla.

🔥 Tips for the Best Apple Crumble Bars

Cut the apples relatively small. Large pieces make the bars difficult to slice.

Use real maple syrup. Pancake syrup won’t provide the same flavor.

Compact the bottom crust. The base needs to be firm enough to support the filling.

Don’t press the topping. Loose crumbs create better texture.

Let the bars cool completely. Cutting them while hot can cause the filling to spill out.

Toast the pecans if you have time. A few minutes of toasting intensifies their flavor.

🥡 Storage

Room Temperature

The bars can remain covered at room temperature for approximately 1 day.

Refrigerator

Store them in an airtight container in the refrigerator for up to 5 days.

Freezer

Wrap individual bars and freeze them in an airtight container for up to 2 months.

Thaw overnight in the refrigerator.

Reheating

For a warm apple-crisp-style dessert, heat an individual bar briefly before serving.

❓ FAQs

Can I leave the skin on the apples?

Yes, although peeled apples give the bars a softer, more uniform filling.

Why are my Apple Crumble Bars falling apart?

They may still be too warm. The filling needs to cool and thicken before slicing.

Can I make these without pecans?

Absolutely. Simply leave them out and use the reserved crumble mixture by itself.

Can I use quick oats?

Old-fashioned rolled oats give the best texture, but quick oats can work if that’s what you have.

Can I make these ahead?

Yes. They’re actually easier to slice after they’ve completely cooled, making them a good make-ahead dessert.

Can I serve them warm?

Yes. If presentation isn’t important, they are delicious warm. For clean bars, slice them cold and reheat individual portions afterward.