Peach Crumble Bars are a cozy treat that taste just like summer. The sweet peaches pair beautifully with a buttery oat crumble, making these bars a wonderful snack or dessert.

Peach Crumble Bars
Equipment
- 1 8x8 inch baking pan lined
- 1 Large bowl
Ingredients
Peach Filling
- 2 cups fresh peaches diced (or thawed frozen peaches)
- 1 tablespoon cornstarch
- 1 tablespoon lemon juice
- 0.5 cup sugar coconut sugar or brown sugar works too
Crumble Base & Topping
- 1.5 cups rolled oats
- 1.25 cups all-purpose flour can swap for whole wheat flour
- 0.67 cup brown sugar
- 0.5 teaspoon baking soda
- 0.25 teaspoon salt
- 0.75 cup unsalted butter melted (or coconut oil)
- 1 teaspoon alcohol-free vanilla
Instructions
Peach Filling
- In a bowl, toss diced peaches with cornstarch, lemon juice, and sugar. Set aside to let the juices develop.2 cups fresh peaches, 1 tablespoon cornstarch, 1 tablespoon lemon juice
Crumble Base & Topping
- Combine oats, flour, brown sugar, baking soda, and salt in a large bowl. Stir in the melted butter and alcohol-free vanilla until the mixture forms moist crumbs.1.5 cups rolled oats, 1.25 cups all-purpose flour, 0.67 cup brown sugar, 0.5 teaspoon baking soda, 0.25 teaspoon salt, 0.75 cup unsalted butter
- Press two-thirds of the crumble mixture into a lined 8x8-inch baking pan for the base. Spread the peach mixture evenly over the base. Sprinkle the remaining crumble mixture on top.
- Bake at 350°F (175°C) for 30-35 minutes, until golden and bubbly. Cool before slicing.
Notes
Why You’ll Love This Peach Crumble Bars
They’re easy to make with just a few pantry staples and fresh peaches. Each bite is a lovely mix of crumbly, juicy, and sweet. Kids and adults both ask for seconds!
Peach Crumble Bars Ingredients & Substitutions
- 2 cups fresh peaches, diced (or thawed frozen peaches)
- 1 tablespoon cornstarch
- 1 tablespoon lemon juice
- 1/2 cup sugar (coconut sugar or brown sugar works too)
- 1 1/2 cups rolled oats
- 1 1/4 cups all-purpose flour (can swap for whole wheat flour)
- 2/3 cup brown sugar
- 1/2 teaspoon baking soda
- 1/4 teaspoon salt
- 3/4 cup unsalted butter, melted (or coconut oil)
- 1 teaspoon alcohol-free vanilla
Step-by-Step Instructions to Make Peach Crumble Bars
Step 1: Prep the peaches
In a bowl, toss diced peaches with cornstarch, lemon juice, and sugar. Set aside to let the juices develop.
Step 2: Make the crumble mixture
Combine oats, flour, brown sugar, baking soda, and salt in a large bowl. Stir in the melted butter and alcohol-free vanilla until the mixture forms moist crumbs.
Step 3: Assemble the bars
Press two-thirds of the crumble mixture into a lined 8×8-inch baking pan for the base. Spread the peach mixture evenly over the base. Sprinkle the remaining crumble mixture on top.
Step 4: Bake
Bake at 350°F (175°C) for 30-35 minutes, until golden and bubbly. Cool before slicing.
Tips for Success
- For a thicker bar, use a smaller pan.
- Pat the bottom crust firmly to help the bars hold together.
- Let the bars cool completely before cutting for clean slices.
Variations of Peach Crumble Bars
- Substitute some peaches for nectarines or berries.
- Add a pinch of cinnamon to the crumble for warmth.
- Mix in chopped nuts like pecans for crunch.
Serving Suggestions: What to Pair with Peach Crumble Bars
- Enjoy with a scoop of vanilla ice cream or a dollop of yogurt.
- Pair with fresh berries for a colorful dessert plate.
- Serve alongside a cup of tea or iced coffee.
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. Reheat gently in the microwave if you’d like them warm.
Memories Made Around the Table
Gathering with loved ones over a plate of Peach Crumble Bars always sparks laughter and connection. These treats never last long in my house!
FAQs
Can I use canned peaches?
Yes, just drain them well and reduce the sugar slightly, since canned peaches are sweeter.
Can I make these bars gluten-free?
Absolutely! Use gluten-free oats and substitute the flour with a gluten-free baking blend.
Do I need to peel the peaches?
No, the skin softens while baking and adds texture, but you can peel them if you prefer.
Final Thoughts
If you’re looking for a dessert that’s simple, satisfying, and full of fruit flavor, Peach Crumble Bars are the answer. I hope you enjoy sharing them with your favorite people!
