Peach Crumble Bars are the recipe that Maria makes every summer and every time she brings a homemade treat to a gathering when she wants to create the most completely extraordinary and the most genuinely wholesome crumble bar that is simultaneously the most deeply satisfying and the most not-too-sweet and the most beautifully crunchy and the most pleasantly chewy individual peach bar — because the most brilliant combination of a rolled oat and cinnamon and butter crumble that serves double duty as both the most properly pressed crust and the most beautifully golden
And the most satisfyingly textured crumble topping creates the most completely extraordinary and the most genuinely irresistible peach bar from the most simple and the most pantry-friendly ingredients. The single most unexpected and the most completely extraordinary flavor discovery in this recipe is the almond extract tossed through the fresh peach filling — a barely-there but the most beautifully complementary almond note that enhances the most natural fresh peach sweetness in the most completely extraordinary way.
Peach Crumble Bars are the most easy and deeply wholesome oatmeal summer bars made with rolled oats flour sugar cinnamon salt and melted butter crumble pressed as crust with fresh peaches lemon juice almond extract cornstarch and sugar filling and remaining oat crumble baked at 350°F for 33 to 35 minutes. Come follow us on Pinterest where we share beautiful bar recipes and easy summer baking favorites from our kitchen every single week.
Table of Contents
Why You Will Love This Peach Crumble Bars Recipe

This Peach Crumble Bars recipe is the most completely extraordinary and the most genuinely satisfying summer bar that produces the most properly balanced and the most deeply not-overly-sweet individual bar from the most simple combination of pantry ingredients — no cream cheese, no heavy cream, no complicated layers — just the most beautifully crunchy and the most pleasantly chewy oat crumble embracing the most naturally sweet and the most lightly almond-kissed fresh peach filling in the most effortlessly achievable summer bar.
The almond extract tossed through the fresh peach filling is the most completely unexpected and the most beautifully subtle flavor addition that distinguishes these bars from every other peach bar. Almond and peach are one of the most classically celebrated and the most deeply complementary flavor pairings in the entire stone fruit baking tradition — the most delicate almond note amplifies the most natural peach sweetness without overpowering or changing the most essentially peach character of the finished bar. Our Peaches and Cream Crumble Bars make a beautifully equally oat-crumble and equally peach-forward companion for a complete and wonderful summer crumble bar collection.
Ingredients Needed for This Peach Crumble Bars Recipe
For the Oat Crumble Crust and Topping (one mixture):
- 140g (1 cup) All-Purpose Flour
- 130g (1 cup plus ⅓ cup) Rolled Oats
- 155g (¾ cup) Granulated Sugar
- 1 tsp Ground Cinnamon
- ¼ tsp Salt (optional)
- 150g (⅔ cup) Unsalted Butter, melted and cooled
For the Fresh Peach Filling:
- 450g (2 cups) Fresh Peaches, peeled and chopped into ½ to 1-inch pieces
- 30g (2 tbsp) Granulated Sugar
- 2 tsp Cornstarch
- 1 tsp Fresh Lemon Juice
- 1 tsp Pure Almond Extract (or vanilla extract)
How to Make This Peach Crumble Bars Recipe
Preheat the oven to 350°F (177°C). Grease an 8-inch square oven-proof dish and line the bottom and sides with parchment paper, leaving approximately 2 inches of overhang on each side for the most effortless lifting after cooling.
Chop the peeled fresh peaches into approximately half-inch to 1-inch pieces. First toss the peaches with the lemon juice, then toss with the almond extract. Next, toss with the cornstarch and sugar until the most evenly coated throughout. Set aside, cara mia.
Mix the flour, rolled oats, granulated sugar, cinnamon, and salt in a medium bowl until the most evenly combined dry mixture forms. Add the melted and cooled butter and stir with a spoon or spatula until the most uniformly combined oat crumble forms.
Place two-thirds of the oat crumble mixture into the prepared pan. Press most firmly and the most evenly with hands or a spoon to form the most compact crust layer. Leave the excess peach liquid in the bowl — spoon the peach pieces most evenly over the crust leaving the accumulated liquid behind.
Sprinkle the remaining one-third of the oat crumble over the peaches. For the most beautifully large and the most satisfyingly chunky crumble pieces, squeeze portions of the crumble mixture in your palm before crumbling over the peaches. Press with fingertips to help the crumbles adhere to the peach surface.
Bake for 33 to 35 minutes until the top is the most beautifully golden brown and the crumbles are the most satisfyingly crunchy. Cool at room temperature for approximately 1 hour then refrigerate for a further 1½ hours until completely cool for the most cleanly cut bars.
How to Serve This Peach Crumble Bars Recipe
Serve warm or at room temperature alongside a scoop of vanilla ice cream or a drizzle of caramel sauce for the most completely indulgent and the most genuinely summer-warm serving experience. These bars are also excellent served cold from the refrigerator as a refreshing afternoon snack or even alongside morning yogurt for the most completely extraordinary breakfast bar.
Arrange on a beautiful wooden board or white plate for the most charming and the most naturally summery presentation. Our Strawberry Oatmeal Bars make a beautifully equally oat-based and equally fruity companion for a complete and wonderful summer fruit bar collection.
How to Store This Peach Crumble Bars Recipe
Store in an airtight container in the refrigerator for up to 4 to 5 days. Freeze completely cooled bars in a single layer in a freezer-safe container for up to 3 months. If using frozen peaches rather than fresh, do not thaw before using — add frozen peach pieces directly to the filling for the most properly maintained structure and the most minimal excess moisture release.
Tips to Make This Peach Crumble Bars Recipe

Allow the melted butter to cool before mixing with the oat and flour mixture. Hot or warm melted butter produces a greasy and overly wet crumble mixture that does not form the most beautiful large and chunky crumble pieces. Cooled melted butter produces the most properly crumbly and the most beautifully textured oat crumble for both the crust and the topping.
Leave the accumulated peach liquid in the bowl rather than pouring it over the crust with the peach pieces. The excess liquid released during the cornstarch and sugar tossing period can make the bottom crust soggy if poured directly onto the baked base. Leaving it behind keeps the crust most properly crisp throughout baking.
Helpful Notes for This Peach Crumble Bars Recipe
Vanilla extract substitutes directly for the almond extract in the same quantity for equally delicious but differently flavored peach crumble bars. If very sensitive to almond flavor, start with half a teaspoon and taste the tossed peach mixture before adding the remaining half.
The excess accumulated peach liquid left in the bowl after tossing can be placed in a small saucepan over medium heat and simmered until thickened into the most beautifully glossy and the most deeply peachy drizzle sauce to pour over each plated bar for the most completely extraordinary finishing touch.
Variation of This Peach Crumble Bars Recipe
Maria made a version adding a handful of fresh blueberries to the peach filling for the most completely extraordinary and the most vibrant blueberry peach oatmeal crumble bar. Teresa tried adding two tablespoons of toasted shredded coconut to the oat crumble mixture for the most beautifully tropical and the most deeply textured coconut peach crumble bar.
For a gluten-free version, substitute certified gluten-free rolled oats and a gluten-free 1-to-1 flour blend in the same quantities for the most complete gluten-free peach crumble bar that is equally delicious and the most properly textured. Our Strawberry Oatmeal Bars make a beautifully equally oat-crumble and equally naturally fruity companion for a complete and wonderful summer crumble bar collection.
FAQs About This Peach Crumble Bars Recipe
Can I use canned peaches?
Yes. Drain canned peaches most thoroughly and blot dry before chopping and tossing with the filling ingredients. The most thoroughly drained canned peaches produce results most closely approaching fresh peaches in the finished filling. Undrained canned peaches release too much additional moisture and produce a wet and improperly set filling layer.
Can I use quick oats instead of rolled oats?
Quick oats can substitute but produce a slightly less chewy and less distinctly textured crumble compared to rolled oats. The most properly chewy and the most satisfyingly textured peach crumble bar uses old-fashioned rolled oats for the most beautifully defined and the most pleasantly hearty crumble character.
Can I substitute vanilla extract for almond extract?
Yes. Vanilla extract substitutes directly in the same quantity and produces an equally delicious but differently flavored peach crumble bar without the subtle almond-peach complementary note. The vanilla version is equally extraordinary and equally appropriate for those who prefer not to use almond extract.
Conclusion
These Peach Crumble Bars are the most completely extraordinary and the most deeply wholesome oatmeal summer bar that makes every gathering and every afternoon feel genuinely and completely special through the most beautifully crunchy oatmeal cinnamon crumble and the most naturally sweet almond-kissed fresh peach filling in every single golden and completely irresistible peach crumble bar.
We hope they bring the same deeply joyful summer peach wholesome baking satisfaction and the same completely satisfied gathering to your kitchen that they have always brought to ours. Make them, share them, and come back to tell us all about it. With all our love, Maria, Lucia, and Teresa
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Peach Crumble Bars The Most Easy Oatmeal Cinnamon Almond Extract Fresh Peach Summer Bar You Will Bake
- Total Time: 3 hours including cooling and chilling
- Yield: 16 bars 1x
- Diet: Vegetarian
Description
The most easy wholesome Peach Crumble Bars made by preheating oven to 350°F lining 8-inch pan with parchment tossing 450g chopped peaches first with 1 tsp lemon juice then 1 tsp almond extract then 2 tsp cornstarch and 2 tbsp sugar mixing 140g flour 130g rolled oats 155g sugar 1 tsp cinnamon and optional salt adding 150g melted cooled butter and stirring to crumble pressing 2/3 firmly into pan as crust spooning peach pieces over leaving excess liquid in bowl crumbling remaining 1/3 over top pressing gently and baking 33 to 35 minutes until golden and crunchy cooling 1 hour at room temperature then refrigerating 1 1/2 hours before cutting. A completely perfect oatmeal summer peach crumble bar recipe.
Ingredients
140g 1 cup All-Purpose Flour
130g 1 cup and 1/3 cup Rolled Oats
155g 3/4 cup Granulated Sugar
1 tsp Ground Cinnamon
1/4 tsp Salt optional
150g 2/3 cup Unsalted Butter melted and cooled
450g 2 cups Fresh Peaches peeled and chopped 1/2 to 1-inch pieces
30g 2 tbsp Granulated Sugar for filling
2 tsp Cornstarch
1 tsp Fresh Lemon Juice
1 tsp Pure Almond Extract or vanilla extract
Instructions
1. Preheat oven to 350°F 177°C. Grease 8-inch square pan. Line with parchment 2-inch overhang.
2. Chop peeled peaches into 1/2 to 1-inch pieces. Toss first with lemon juice. Then toss with almond extract. Then toss with cornstarch and sugar. Set aside.
3. Mix flour, rolled oats, sugar, cinnamon, and salt in bowl. Add melted cooled butter. Stir to crumble.
4. Place 2/3 crumble into pan. Press firmly and evenly as crust.
5. Spoon peach pieces over crust. Leave excess accumulated liquid in bowl.
6. Sprinkle remaining 1/3 crumble over peaches. Squeeze some in palm for large chunks. Press gently to adhere.
7. Bake 33 to 35 minutes until golden and crunchy.
8. Cool at room temperature 1 hour.
9. Refrigerate 1 1/2 more hours until completely cool.
10. Lift using parchment. Cut into bars.
- Prep Time: 20 minutes
- Cook Time: 35 minutes
- Category: Dessert, Bars, Summer, Healthy
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 bar
- Calories: 188
- Sugar: 14g
- Sodium: 38mg
- Fat: 8g
- Saturated Fat: 5g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 27g
- Fiber: 2g
- Protein: 2g
- Cholesterol: 20mg
Keywords: peach crumble bars, easy oatmeal peach crumble bars recipe almond extract, best wholesome summer oatmeal peach bars crunchy crumble, simple fresh peach oatmeal bars
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