These layered dessert bars combine a buttery shortbread base with a juicy peach filling and a crunchy oatmeal topping. They offer the flavors of a traditional fruit pie and crumble in a convenient, sliceable format.
List of ingredients
- 1 1/4 cup all-purpose flour – provides the main structure for the base and topping.
- 1/2 cup powdered sugar – keeps the base tender and sweet.
- 1/4 teaspoon salt – balances the sweetness of the fruit and sugars.
- 2/3 cup unsalted butter, melted – binds the shortbread crust together.
- 3 cups chopped peaches (about 4-5 large peaches) – the primary fruit filling.
- 1/4 cup granulated sugar – sweetens the fresh peach layer.
- 2 tablespoons fresh lemon juice or water – adds acidity to brighten the fruit flavor.
- 3 tablespoons cornstarch – thickens the peach juices to prevent a soggy crust.
- 3/4 cup flour – used for the crumble topping.
- 1/4 cup large flake oats (quick or old-fashioned) – adds texture and a rustic feel.
- 1/3 cup brown sugar – provides a caramelized flavor to the topping.
- 1 teaspoon cinnamon – adds warm spice to the crumble.
- 1/3 cup unsalted butter, melted – creates the sandy texture of the crumble.
- 1 cup powdered sugar – base for the sweet finishing glaze.
- 1/2 teaspoon vanilla extract – flavors the glaze.
- 4-5 tablespoons cream or milk – thins the glaze to a drizzling consistency.
step-by-step instructions
- Prepare the Oven and Pan: Preheat your oven to 350F. Line an 8×8 inch baking pan with parchment paper, ensuring there is an overhang on the sides for easy removal later.
- Create the Shortbread Base: Whisk together the flour, powdered sugar, and salt in a medium bowl. Stir in the melted butter until a dough forms, then press the mixture firmly into the bottom of the prepared pan.
- Initial Bake: Place the pan in the oven and bake the base for 15 minutes. This prevents the crust from becoming soggy once the fruit is added.
- Prepare the Peach Filling: While the base bakes, combine chopped peaches, granulated sugar, lemon juice (or water), and cornstarch in a bowl. Toss until all the fruit pieces are evenly coated.
- Mix the Crumble Topping: In a separate medium bowl, stir together the flour, oats, brown sugar, and cinnamon. Mix in the melted butter until the mixture resembles wet sand.
- Assemble the Layers: Remove the pre-baked base from the oven. Spread the peach mixture evenly over the base, then sprinkle the crumble topping over the peaches using your palms to create small clumps.
- Final Bake: Return the pan to the oven and bake at 350F for 35-45 minutes. The bars are done when the topping is golden brown and the fruit is bubbling.
- Cool and Glaze: Allow the bars to cool completely in the pan. Whisk together powdered sugar, vanilla extract, and cream until smooth, adjusting consistency with more cream or sugar, then drizzle over the top.
Professional Baking Tips
Use Parchment Paper for Easy Removal
Lining the pan with parchment paper that extends beyond the edges allows you to lift the entire block of bars out at once. This ensures you get perfectly clean edges when slicing. Without it, the buttery base often sticks to the corners of the pan.
Ensure Butter is Fully Melted
When the recipe calls for melted butter, make sure it is liquid but not boiling. If the butter is too hot, it can cook the flour prematurely or cause the sugar to dissolve too quickly. This helps maintain the correct texture for the shortbread and crumble.
Avoid Overmixing the Base
Stir the shortbread ingredients only until they are combined. Overworking the dough can develop too much gluten, which results in a tough, bread-like crust rather than a tender, crumbly shortbread. Stop stirring as soon as the melted butter is incorporated.
Properly Chop the Peaches
Cut the peaches into uniform 1/2-inch cubes to ensure even cooking. Pieces that are too large may leave gaps in the filling, while pieces that are too small can break down into a jam-like consistency. Consistency in size ensures every bite has fruit.
Ingredient Substitutions
Replace Large Flake Oats with Quick Oats
If you do not have large flake oats, quick oats or old-fashioned oats are suitable alternatives. Quick oats will result in a slightly finer crumble texture, while old-fashioned oats provide a heartier chew. Both options maintain the structural integrity of the topping.
Use Frozen Peaches Instead of Fresh
Frozen peaches can be used if fresh ones are out of season. Thaw them completely and drain excess liquid before tossing them with the sugar and cornstarch. You may need an extra tablespoon of cornstarch to account for the additional moisture from freezing.
Substitute Cream with Whole Milk or Almond Milk
For the glaze, heavy cream provides a rich flavor, but whole milk works just as well for a lighter finish. Unsweetened almond milk is a great plant-based alternative that maintains the required consistency. Adjust the amount of liquid slowly to avoid making the glaze too thin.
Swap Granulated Sugar for Maple Syrup
You can replace the granulated sugar in the peach layer with maple syrup for a deeper flavor profile. Use approximately 1/4 cup of syrup and reduce the lemon juice by one tablespoon. Be aware that this will make the filling slightly more liquid, so ensure the cornstarch is well-mixed.
Creative Recipe Variations
Incorporate Almond Extract for Nutty Flavor
Adding a quarter teaspoon of almond extract to the shortbread base or the glaze complements the flavor of peaches perfectly. Almond and stone fruits have a natural pairing that enhances the overall sweetness. Stir it directly into the melted butter for the base.
Use a Mix of Peaches and Nectarines
Replacing half of the peaches with chopped nectarines adds a slight tang and a different textural element. Nectarines hold their shape well during baking and provide a beautiful color contrast in the filling. Use the same measurements as specified for the peaches.
Add a Pinch of Nutmeg to the Crumble
While cinnamon is the primary spice, adding a pinch of ground nutmeg provides a complex, warm aroma. This small addition makes the crumble taste more like a professional bakery product. Mix it in with the dry ingredients of the topping.
Integrate Fresh Raspberries
Folding in a handful of fresh raspberries with the peaches adds a tart contrast to the sweet bars. The red berries create visually appealing swirls of color throughout the peach layer. Ensure you don’t overmix to avoid crushing the berries.
Optimal Serving Methods
Pair with Vanilla Bean Ice Cream
Serve these bars warm with a scoop of high-quality vanilla bean ice cream on the side. The cold creaminess of the ice cream balances the warmth of the baked fruit and the crunch of the topping. This transforms the bars into a plated dessert.
Serve Chilled for Firmer Slices
For those who prefer a denser, fudgy texture, store the bars in the refrigerator and serve them cold. Chilling sets the butter in the base and the cornstarch in the filling, making the bars easier to cut into sharp squares. This is ideal for transporting to parties.
Warm Gently Before Serving
If the bars have been refrigerated, you can warm them slightly in the oven at 300F for 5-10 minutes. This softens the crust and makes the peach filling more aromatic. Avoid microwaving if you want to preserve the crunch of the oatmeal crumble.
Storage and Preservation
Keep in an Airtight Container
Once the glaze has set and the bars have cooled, place them in an airtight plastic or glass container. This prevents the crust from absorbing odors from the fridge and keeps the topping from becoming soft. Store them in a single layer to avoid smashing the glaze.
Refrigerate to Maintain Freshness
Due to the fresh fruit filling and the dairy in the glaze, these bars must be stored in the refrigerator. They will stay fresh and delicious for up to 5 days when kept cold. This prevents the fruit layer from spoiling.
Freeze Individual Squares
These bars freeze exceptionally well for long-term storage. Wrap individual squares in parchment paper and place them in a freezer-safe bag. They can be kept for up to 3 months and thawed overnight in the refrigerator.
Reheating Guide
Warm in the Oven for Texture
To restore the original texture, reheat individual bars in a 300F oven for about 5 to 8 minutes. This method ensures the crumble topping remains crisp while the peach center becomes warm and juicy. Place them on a baking sheet to avoid any glaze drips.
Use the Microwave for Speed
For a quick warm-up, microwave a bar for 15-20 seconds on medium power. Be careful not to overheat, as the sugar in the glaze and the butter in the crust can become very hot quickly. Note that this method will make the crumble topping softer.
Common Troubleshooting
Fix a Soggy Bottom Crust
If the base is too soft, ensure you are pre-baking it for the full 15 minutes before adding the peaches. Also, double-check that the cornstarch is evenly distributed in the fruit layer, as it is responsible for thickening the juices. Avoid adding too much lemon juice, which can thin the filling.
Adjusting the Glaze Consistency
If the glaze is too runny, whisk in one tablespoon of powdered sugar at a time until it reaches a thick, ribbon-like consistency. If it is too thick to drizzle, add cream one teaspoon at a time. The glaze should hold its shape on top of the bars without running off the sides.
Preventing the Crumble from Burning
If the topping browns too quickly before the peaches are bubbling, cover the pan loosely with aluminum foil. This shields the crumble from direct heat while allowing the middle layer to finish cooking. Check the bars every 10 minutes once they reach a light golden color.
Frequently Asked Questions
Can I use a 9×9 pan instead?
Yes, you can use a 9×9 inch pan, but the layers will be thinner. You may need to reduce the baking time by 5-10 minutes because the increased surface area allows the heat to penetrate the filling faster.
How do I peel peaches easily?
To remove peach skins, score a small ‘X’ in the bottom of each fruit and drop them into boiling water for 30 seconds. Immediately transfer them to an ice bath, and the skins will slide off effortlessly with your fingers.
Can this be made gluten-free?
Yes, you can substitute the all-purpose flour in both the base and the crumble with a 1:1 gluten-free flour blend. For the oats, ensure you use certified gluten-free oats to avoid cross-contamination.
What if I can’t find large flake oats?
You can use rolled oats or quick oats. Rolled oats provide a similar chew to large flake oats, while quick oats create a more uniform, tighter crumble. Both are perfectly acceptable substitutes.
Can I omit the glaze?
The glaze is optional and primarily adds sweetness and visual appeal. The bars are already sweet from the peach filling and brown sugar crumble, so they taste great without the topping.
Print
Peach Pie Crumble Bars
- Total Time: 75 minutes
- Yield: 12 squares
- Diet: General
Description
These Peach Pie Crumble Bars combine the 2 best peach recipes around – peach pie & peach crumble. They start with a buttery shortbread base. Then they have a layer of juicy peaches followed by crunchy oatmeal crumble.
Ingredients
- 1 1/4 cup all-purpose flour
- 1/2 cup powdered sugar
- 1/4 teaspoon salt
- 2/3 cup unsalted butter, melted
- 3 cups chopped peaches (about 4–5 large peaches)
- 1/4 cup granulated sugar
- 2 tablespoons fresh lemon juice or water
- 3 tablespoons cornstarch
- 3/4 cup flour
- 1/4 cup large flake oats
- 1/3 cup brown sugar
- 1 teaspoon cinnamon
- 1/3 cup unsalted butter, melted
- 1 cup powdered sugar
- 1/2 teaspoon vanilla extract
- 4–5 tablespoons cream or milk
Instructions
- Step: Preheat the oven to 350F degrees. Line an 8×8 inch pan with parchment paper, leaving an overhang around the edges.
- Step: In a medium bowl whisk together the flour, powdered sugar & salt. Stir in the melted butter.
- Step: Press the mixture into the bottom of the pan and bake for 15 minutes.
- Step: Toss the chopped peaches with the sugar, lemon juice & cornstarch until the peaches & evenly coated.
- Step: In a medium bowl stir together the flour, oats, brown sugar. Then stir in the melted butter.
- Step: Spread the peach mixture on top of the baked shortbread base. Then crumble the oatmeal crumble topping in your palms, and sprinkle over top of the peach layer.
- Step: Bake in the preheated oven at 350F for 35-45 minutes, or until the top looks golden brown.
- Step: Cool fully.
- Step: In a small bowl whisk together the powdered sugar, vanilla extract & cream until smooth.
- Step: Drizzle the glaze over top of the bars.
Notes
Store leftovers in an airtight container in the fridge.
- Prep Time: 30 minutes
- Cook Time: 45 minutes
- Category: Dessert
- Method: Baking
- Cuisine: Canadian
Nutrition
- Serving Size: 1 square
- Calories: 480 kcal
- Sugar: 38 g
- Sodium: 160 mg
- Fat: 24 g
- Saturated Fat: 15 g
- Unsaturated Fat: 7 g
- Trans Fat: 0 g
- Carbohydrates: 58 g
- Fiber: 3 g
- Protein: 6 g
- Cholesterol: 75 mg