Peach Shortbread Crumble Bars

A Taste of Late Summer

Peach Shortbread Crumble Bars are one of my favorite desserts to bake during late summer. There are few things that signal the arrival of late summer quite like a basket of ripe peaches sitting on the kitchen counter. Around here, I always try to make the most of whatever season we’re in, whether that’s gathering fresh herbs from the garden, preserving the harvest, or simply baking with fruit while it’s at its sweetest.

These Rustic Peach Shortbread Crumble Bars have quickly become one of my favorite ways to celebrate peach season. A buttery shortbread crust, a warm jammy peach filling, and a rustic oat crumble come together in a dessert that’s simple enough for an ordinary afternoon but special enough to linger over after supper with family.

One of the things I love most about homemaking is letting the seasons shape our home. As the garden changes and the harvest comes in, our meals and desserts naturally change too. Summer brings peaches and berries, autumn welcomes apples and pumpkin, and every season gives us another opportunity to gather around the table together. Those little rhythms are what make a home feel lived in and loved.

Whether you’re baking these bars for an afternoon coffee, taking them to a church potluck, or serving them after a family meal, I hope they become one of those recipes your family asks for year after year.

Why You’ll Love These Peach Shortbread Crumble Bars

If you enjoy simple, from-scratch baking, this recipe is one you’ll come back to every peach season. The buttery shortbread comes together in one bowl and doubles as both the crust and crumble topping, while the peach filling is cooked just long enough to become soft, sweet, and perfectly jammy.

It’s the kind of dessert that doesn’t require anything fancy—just a few pantry staples, fresh peaches, and a little time in the kitchen. The result is warm, comforting, and full of the flavors of late summer.

Serve it warm with a scoop of vanilla ice cream, enjoy a square with your afternoon coffee, or wrap a few bars up to share with a neighbor. Sometimes the simplest recipes become the ones that create the sweetest memories.

Ingredients Needed

Butter

Light brown sugar

Flour

Old-fashioned oats

Baking powder

Kosher salt

Vanilla extract

Almond extract (optional)

Fresh peaches

Cornstarch

Cinnamon

Equipment Needed

9×9-inch baking dish

Mixing bowl

Medium saucepan

Rubber spatula

Knife

Instructions

Step 1: Cream together the butter and brown sugar until light and fluffy.

Step 2: Mix in the vanilla and almond extract, if using.

Step 3: Stir in the flour, oats, baking powder, and salt until a soft, crumbly dough forms.

Step 4: Press ⅔ of the mixture into a greased 9×9-inch baking dish. Reserve the remaining ⅓ for the crumble topping.

Step 5: In a saucepan, combine the peaches, brown sugar, cornstarch, vanilla, cinnamon, and salt. Cook over medium heat for 5–7 minutes, stirring occasionally, until slightly thickened.

Step 6: Spoon the warm peach filling evenly over the crust.

Step 7: Sprinkle the reserved crumble over the peaches.

Step 8: Bake for 35–40 minutes, or until the topping is lightly golden and the filling is bubbling.

Step 9: Cool for at least 20 minutes before slicing and serving.

Tips & Tricks

Choose ripe, but still firm peaches. Very soft peaches will release more juice and create a looser filling. Peaches that give just slightly when gently squeezed are perfect.

Don’t skip cooking the filling. A quick trip on the stovetop helps the peaches release their juices and allows the cornstarch to begin thickening, giving you a rich, jammy filling that isn’t runny.

Leave the crumble rustic. Instead of sprinkling tiny crumbs over the top, gently squeeze some of the dough together with your fingers to create larger crumbles. It gives the bars a beautiful homemade look.

Allow the bars to cool before slicing. As tempting as it is to dig in right away, giving them 20–30 minutes to cool helps the filling set and makes cleaner slices.

These bars are delicious served warm with a scoop of vanilla ice cream, a dollop of homemade whipped cream, or simply enjoyed with a hot cup of coffee on the porch.

Variations

Fresh peaches are best, but frozen peaches work well too. Thaw and drain any excess liquid before cooking the filling.

If you don’t have almond extract, simply leave it out. The vanilla and peaches are delicious on their own.

Try swapping the peaches for nectarines, apricots, or even a mixture of peaches and blueberries for a fun seasonal variation.

Old-fashioned rolled oats give the crumble its rustic texture. Quick oats can be used in a pinch, but the topping won’t have quite the same hearty bite.

For an autumn version, replace the peaches with thinly sliced apples or pears and add a little extra cinnamon for a cozy fall dessert.

Storage & Leftovers

Store covered in the refrigerator for up to 4 days.

Warm in the oven, toaster over or microwave.

Every season seems to have one dessert that becomes part of the memories, and for me, this is one of them. Sweet peaches, a buttery crumble, and a kitchen filled with the smell of something baking are simple things, but they’re often the moments that bring everyone together. I hope these bars become a favorite in your home, too.

Watch me make this recipe here:

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