Hey y'all! If you're craving a dessert that's sweet, warm, and packed with cozy flavors, this Peach Crisp with Cinnamon Oat Crumble Topping is about to become your new favorite treat. The combination of juicy peaches and a golden, buttery oat topping is irresistible—whether you’re celebrating summer or just want to bring a little sunshine to your table. It’s perfect for family gatherings, lazy weekends, or anytime you want to impress with minimal fuss. Let’s get cooking!
Why You’ll Love This Peach Crisp with Cinnamon Oat Crumble Topping
- Super easy to make with no fancy equipment needed.
- Delivers the perfect blend of tender, juicy peaches and a crunchy, cinnamon-kissed topping.
- Great for using up ripe or even slightly overripe peaches.
- Perfect for summer parties, potlucks, or cozy nights in.
- Customizable—swap in other fruits or make it gluten-free with simple substitutions.
Ingredients for Peach Crisp with Cinnamon Oat Crumble Topping
- 6 cups fresh peaches, peeled and sliced (about 6-7 medium peaches)
- ¼ cup granulated sugar
- 2 tablespoon cornstarch
- 1 tablespoon lemon juice
- 1 teaspoon vanilla extract
- 1 cup old-fashioned rolled oats
- ½ cup all-purpose flour
- ½ cup packed light brown sugar
- ½ teaspoon ground cinnamon
- ¼ teaspoon salt
- ½ cup unsalted butter, cold and cubed
Directions: How to Make Peach Crisp with Cinnamon Oat Crumble Topping
Prep and Preheat
- Preheat your oven to 350°F (175°C). Lightly grease a 9x13-inch baking dish.
Prepare the Peach Filling
- In a large bowl, toss the peach slices with granulated sugar, cornstarch, lemon juice, and vanilla extract until evenly coated.
- Spread the peach mixture evenly in the prepared baking dish.
Make the Cinnamon Oat Crumble Topping
- In another bowl, combine oats, flour, brown sugar, cinnamon, and salt.
- Add cold, cubed butter. Using your fingers or a pastry cutter, work the butter into the dry ingredients until the mixture resembles coarse crumbs.
- Evenly sprinkle the oat crumble over the peaches.
Bake and Serve
- Bake for 40-45 minutes, or until the top is golden brown and the peach filling is bubbling.
- Allow the crisp to cool for at least 15 minutes before serving. Enjoy warm, ideally with a scoop of vanilla ice cream!

Notes for the Best Peach Crisp with Cinnamon Oat Crumble Topping
- If using frozen peaches, thaw and drain them well to avoid excess liquid. For more on handling frozen fruit in baking, check out this guide from Bon Appétit.
- No fresh peaches? Canned peaches (drained) work in a pinch.
- For extra crunch, stir in ½ cup chopped pecans or almonds into the crumble.
Variations: Make This Peach Crisp with Cinnamon Oat Crumble Topping Your Own
- Berry-Peach Crisp: Swap out half the peaches for fresh or frozen blueberries or raspberries.
- Gluten-Free Version: Use certified gluten-free oats and substitute the flour with almond flour or a gluten-free blend.
- Apple-Peach Crisp: Combine equal parts sliced apples and peaches for a fall-inspired twist.
Required Equipment for Peach Crisp with Cinnamon Oat Crumble Topping
- 9x13-inch baking dish
- Large mixing bowls
- Measuring cups and spoons
- Pastry cutter or fork
- Peeler (for peaches)
Storage Instructions for Peach Crisp with Cinnamon Oat Crumble Topping
Let your peach crisp cool to room temperature, then cover tightly and refrigerate for up to 4 days. To reheat, warm individual servings in the microwave for 30-45 seconds, or reheat the entire dish in a 350°F oven for 15-20 minutes. For longer storage, freeze portions in airtight containers for up to 2 months.
Serving Suggestions & Pairings for Peach Crisp with Cinnamon Oat Crumble Topping
- Serve warm with vanilla ice cream or a dollop of whipped cream.
- Pair with a hot cup of coffee or chilled iced tea for an afternoon treat.
- For something extra-indulgent, drizzle with caramel sauce.
Pro Tips for the Best Peach Crisp with Cinnamon Oat Crumble Topping
- Taste your peaches before baking; if they’re very sweet, reduce the sugar by a tablespoon or two.
- Chill your topping mixture briefly before baking for an even crispier texture—learn more about perfecting crumb toppings from King Arthur Baking.
- Always use rolled oats, not instant, for the best crunchy texture.
FAQ: Peach Crisp with Cinnamon Oat Crumble Topping
- Can I make this peach crisp ahead of time?
- Absolutely! Assemble the crisp, cover, and refrigerate up to 24 hours before baking. Add 5 extra minutes to the bake time if baking from cold.
- What’s the best way to peel peaches?
- Score the bottoms, blanch in boiling water for 30 seconds, then slip off the skins. Detailed instructions are available at Simply Recipes.
- Can I use other fruits with peaches?
- Definitely! Try nectarines, berries, or apples as tasty additions to your peach crisp with cinnamon oat crumble topping.
Prep time: 15 minutes
Total time: 1 hour
Yield: 8 servings
Ingredients
- 6 cups fresh peaches, peeled and sliced
- ⅓ cup granulated sugar
- 1 tablespoon lemon juice
- 1 teaspoon vanilla extract
- ¾ cup old-fashioned rolled oats
- ½ cup all-purpose flour
- ½ cup packed light brown sugar
- 1 teaspoon ground cinnamon
- ¼ teaspoon salt
- ½ cup unsalted butter, cold and cubed
Instructions
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1Preheat the oven to 350°F (175°C). Lightly grease a 9-inch baking dish.
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2In a large bowl, toss the sliced peaches with granulated sugar, lemon juice, and vanilla extract. Transfer the mixture to the prepared baking dish.
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3In a separate bowl, combine oats, flour, brown sugar, cinnamon, and salt. Add the cold butter and use your fingers or a pastry cutter to blend until the mixture resembles coarse crumbs.
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4Sprinkle the oat crumble evenly over the peaches.
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5Bake for 40 minutes, or until the topping is golden brown and the peaches are bubbling.
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6Allow to cool slightly before serving. Enjoy warm, optionally with a scoop of vanilla ice cream.
Approximate Information for One Serving
Nutrition Disclaimers
Number of total servings shown is approximate. Actual number of servings will depend on your preferred portion sizes.
Nutritional values shown are general guidelines and reflect information for 1 serving using the ingredients listed, not including any optional ingredients. Actual macros may vary slightly depending on specific brands and types of ingredients used.
To determine the weight of one serving, prepare the recipe as instructed. Weigh the finished recipe, then divide the weight of the finished recipe (not including the weight of the container the food is in) by the desired number of servings. Result will be the weight of one serving.
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