Nothing says comfort like the sweet aroma of freshly baked Peach Crumble Bars wafting through the kitchen. These golden, buttery bars feature juicy peaches nestled beneath a crisp oat topping, making them a treat everyone will ask for again and again.

Peach Crumble Bars
Equipment
- 1 Baking Pan lined with parchment
- 2 Mixing Bowls
Ingredients
Crumble Mixture
- 2 cups all-purpose flour
- 1.5 cups old-fashioned oats
- 1 cup brown sugar packed
- 0.5 teaspoon salt
- 1 teaspoon baking powder
- 1 teaspoon ground cinnamon
- 1 cup unsalted butter melted
Peach Layer
- 4 cups fresh peaches diced (or thawed, drained frozen peaches; canned okay, drained & patted dry)
- 0.25 cup granulated sugar
- 2 tablespoons cornstarch
- 1 tablespoon lemon juice
- 1 teaspoon alcohol-free vanilla extract
Instructions
Prepare the Crumble Mixture
- Preheat your oven to 350°F (175°C) and line a baking pan with parchment. In a large bowl, mix the flour, oats, brown sugar, salt, baking powder, and cinnamon. Pour in the melted butter and stir until the mixture resembles coarse crumbs.
Assemble the Peach Layer
- In a separate bowl, toss diced peaches with granulated sugar, cornstarch, lemon juice, and alcohol-free vanilla. Mix well so the peaches are evenly coated.
Layer and Bake
- Press two-thirds of the crumble mixture firmly into the bottom of your prepared pan. Spread the peach mixture evenly over it. Sprinkle the remaining crumble on top. Bake for 40 to 45 minutes until the top is golden and bubbly. Let cool completely before slicing into bars.
Notes
Why You’ll Love This Peach Crumble Bars
Peach Crumble Bars are the perfect blend of sweet, fresh fruit and a buttery crumble. They’re easy to make, easy to share, and utterly delightful in every bite. Perfect for gatherings or even casual snacking with a cup of tea.
Peach Crumble Bars Ingredients & Substitutions
- 2 cups all-purpose flour
- 1 1/2 cups old-fashioned oats
- 1 cup brown sugar, packed
- 1/2 teaspoon salt
- 1 teaspoon baking powder
- 1 teaspoon ground cinnamon
- 1 cup unsalted butter, melted
- 4 cups fresh peaches, diced
- 1/4 cup granulated sugar
- 2 tablespoons cornstarch
- 1 tablespoon lemon juice
- 1 teaspoon alcohol-free vanilla extract
You can easily use frozen peaches (thawed and drained) instead of fresh. Swap brown sugar for coconut sugar for a different sweetness. If you prefer a gluten-free version, try a 1:1 gluten-free flour blend.
Step-by-Step Instructions to Make Peach Crumble Bars
Prepare the Crumble Mixture
Preheat your oven to 350°F (175°C) and line a baking pan with parchment. In a large bowl, mix the flour, oats, brown sugar, salt, baking powder, and cinnamon. Pour in the melted butter and stir until the mixture resembles coarse crumbs.
Assemble the Peach Layer
In a separate bowl, toss diced peaches with granulated sugar, cornstarch, lemon juice, and alcohol-free vanilla. Mix well so the peaches are evenly coated.
Layer and Bake
Press two-thirds of the crumble mixture firmly into the bottom of your prepared pan. Spread the peach mixture evenly over it. Sprinkle the remaining crumble on top. Bake for 40 to 45 minutes until the top is golden and bubbly. Let cool completely before slicing into bars.
Tips for Success
- Let the bars cool fully before slicing for neat edges.
- Cut your peaches into uniform pieces for even baking.
- If your peaches are very ripe and juicy, increase the cornstarch slightly to help thicken the filling.
Variations of Peach Crumble Bars
- Add a handful of chopped pecans or almonds into the crumble topping for extra crunch.
- Mix in a handful of raspberries or blueberries with the peaches for more color and flavor.
- Try warming spices like ginger or cardamom for a twist.
Serving Suggestions: What to Pair with Peach Crumble Bars
- Serve with a scoop of dairy-free or regular vanilla ice cream.
- Enjoy alongside a cup of herbal tea or coffee for a cozy afternoon treat.
- Top with a dollop of whipped cream for added indulgence.
Storage & Reheating Instructions
- Store leftover bars in an airtight container at room temperature for up to 2 days, or refrigerate for up to 5 days.
- To reheat, place a bar in the microwave for 10 to 15 seconds to warm before serving.
- These bars also freeze well. Wrap each slice individually and store in a freezer bag for up to 2 months. Thaw overnight in the refrigerator or on the counter.
Memories Made Around the Table
I love making these Peach Crumble Bars with family on summer afternoons. The joy of tasting that first bite together—warm and crumbly—makes each occasion unforgettable.
FAQs
Can I use canned peaches for this recipe?
Yes, you can use canned peaches. Drain them well and pat dry to prevent excess moisture in the bars.
Is it possible to make these bars ahead of time?
Absolutely. These bars can be made a day in advance, and they often taste even better the next day as the flavors meld.
Can I substitute the butter with oil?
You can use a mild-flavored oil like avocado or melted coconut oil as a substitute for butter. The texture will be slightly different, but still delicious.
Final Thoughts
Peach Crumble Bars are simple, satisfying, and full of summery flavor. They’re sure to become a staple in your baking rotation, perfect for both everyday treats and special occasions.
