There’s something magical about biting into a buttery, fruity bar with a touch of crumble on top. Peach Crumble Bars celebrate summer sweetness in every bite and make for an easy and crowd-pleasing treat.

Peach Crumble Bars
Equipment
- 1 Baking Pan lined with parchment
- 1 Mixing Bowls
Ingredients
Crumble/Base
- 2 cups all-purpose flour can substitute part with whole wheat for a nuttier flavor
- 1 cup old-fashioned oats
- 3 4 cup brown sugar
- 0.5 tsp salt
- 0.75 cup unsalted butter melted (or melted coconut oil for dairy-free)
Peach Filling
- 3 cups peaches diced; fresh or thawed frozen
- 0.5 cup granulated sugar
- 2 tbsp cornstarch or arrowroot powder
- 1 tbsp lemon juice
- 1 tsp alcohol-free vanilla extract
Instructions
Crumble & Base
- Mix flour, oats, brown sugar, salt, and melted butter until crumbly. Reserve one cup for the topping.
- Firmly press the remaining mixture into a lined baking pan and bake at 3506F (1756C) until golden, about 12 minutes.
Peach Filling & Assembly
- Toss diced peaches with granulated sugar, cornstarch, lemon juice, and vanilla extract until coated.
- Spread the peach mixture evenly over the base. Sprinkle reserved crumble over the peaches.
- Bake until topping is golden and peaches bubble, around 30 to 35 minutes.
- Cool completely before slicing into bars for clean edges.
Notes
- For best flavor, use ripe, in-season peaches. Thaw and drain well if using frozen.
- Cool bars completely before cutting for neat slices.
- Swap in nectarines or other fruits, add cinnamon or nuts for variations.
- Store airtight at room temperature up to 2 days, or in the fridge up to 5 days. Freezer-friendly up to 2 months.
Why You’ll Love This Peach Crumble Bars
These bars combine a juicy peach filling with a golden, crumbly base and topping. They’re ideal for potlucks, lunch boxes, or any time you want a dessert that’s both simple and satisfying. The bright peach flavor really shines, making each bar irresistible.
Peach Crumble Bars Ingredients & Substitutions
- Fresh peaches (or use frozen if out of season)
- All-purpose flour (can substitute part with whole wheat for a nuttier flavor)
- Old-fashioned oats
- Brown sugar
- Granulated sugar
- Unsalted butter (melted coconut oil for dairy-free)
- Cornstarch (or arrowroot powder)
- Lemon juice
- Alcohol-free vanilla extract
- Salt
Step-by-Step Instructions to Make Peach Crumble Bars
1. Prepare the Crumble Mixture
Mix flour, oats, brown sugar, salt, and melted butter until crumbly. Reserve one cup for the topping.
2. Press and Pre-Bake the Base
Firmly press the remaining mixture into a lined baking pan and bake until golden, about 12 minutes.
3. Make the Peach Filling
Toss diced peaches with granulated sugar, cornstarch, lemon juice, and vanilla until coated.
4. Assemble the Bars
Spread the peach mixture evenly over the base. Sprinkle reserved crumble over the peaches.
5. Bake
Bake until topping is golden and peaches bubble, around 30 to 35 minutes.
6. Cool and Slice
Cool completely before slicing into bars for clean edges.
Tips for Success
- Use ripe, in-season peaches for the best flavor. If using frozen, thaw and drain well.
- Cool bars completely before cutting for neat slices.
- Line your baking pan with parchment for easy removal.
Variations of Peach Crumble Bars
- Swap in nectarines or a mix of berries with the peaches.
- Add a sprinkle of cinnamon or cardamom for warmth.
- Include chopped nuts like pecans in the crumble for crunch.
Serving Suggestions: What to Pair with Peach Crumble Bars
- Enjoy with hot tea or coffee
- Top with a scoop of vanilla ice cream for dessert
- Serve alongside a dollop of whipped cream
Storage & Reheating Instructions
- Store in an airtight container at room temperature for up to 2 days or refrigerate for up to 5 days.
- For a warm treat, microwave individual bars for 10-15 seconds.
Memories Made Around the Table
Peach Crumble Bars remind me of summer afternoons spent baking with loved ones, the kitchen full of laughter and the sweet scent of peaches filling the air. They bring everyone together for just one more piece.
FAQs
Can I use canned peaches?
Yes, but drain them well and reduce the sugar slightly since canned peaches are usually sweeter.
Are these bars freezer-friendly?
Absolutely. Freeze wrapped bars for up to 2 months. Thaw at room temperature and enjoy.
What can I use instead of cornstarch?
Arrowroot powder works well as a natural thickener for the peach filling.
Final Thoughts
Peach Crumble Bars are a simple way to brighten any day with a taste of summer. Try them soon and savor each delicious, golden bar with friends or family.
