Easy Peach Crisp with Oat Topping (Fresh, Frozen, or Canned!)

You know those desserts that make the whole house smell like a warm hug? That's exactly what happens every single time I pull this easy peach crisp with oat topping out of the oven. The buttery, golden crumble on top, the bubbling peach juices around the edges — honestly, it's one of those moments where I feel like a total genius in the kitchen, even though this recipe is incredibly simple.

I first made this on a Tuesday afternoon last summer when we had a giant bag of fresh Georgia peaches sitting on the counter going soft faster than we could eat them. Bradley walked through the kitchen, grabbed one, took a bite, and immediately said "Mom, do something with these before they go bad." (Thanks for the vote of confidence, buddy.) I threw together this peach crisp with oatmeal crumble, and by the time John got home from work, Amy had already requested it for her birthday dessert.

It's been on repeat in our Nashville kitchen ever since. If you love easy summer desserts, you'll also want to check out my Bourbon Pecan Peach Crisp for a slightly grown-up twist on this same idea.

This recipe works beautifully with fresh, frozen, or canned peaches — so it's genuinely a year-round dessert. And it comes together in about 15 minutes of hands-on time, which is basically my love language.

Jump to:

• Why You'll Love This Peach Crisp Recipe
• Ingredients for Easy Peach Crisp with Oat Topping
• How to Make Easy Peach Crisp with Oat Topping
• Storage and Reheating Tips
• Tips and Variations for the Best Peach Crisp Recipe
• Frequently Asked Questions About Easy Peach Crisp
• Recipes You May Like
• Let's Wrap This Up
• Easy Peach Crisp with Oat Topping

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Why You'll Love This Peach Crisp Recipe

• Ready in under an hour — 15 minutes of prep, about 40–50 minutes in the oven
• Works with fresh, frozen, or canned peaches, so you're never stuck without options
• The oatmeal crumble topping with pecans bakes up perfectly golden and crunchy every time
• No special equipment needed — just a baking dish and two mixing bowls
• Make-ahead friendly — bake it the night before and reheat with no effort
• Pairs beautifully with a big scoop of vanilla ice cream (non-negotiable in our house)

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Ingredients for Easy Peach Crisp with Oat Topping

Here's everything you'll need. Nothing fancy, nothing you'd have to hunt down — just real pantry staples.

For the Peach Filling:

• 5½ cups sliced peaches (fresh, thawed frozen, or well-drained canned)
• 3 tablespoons all-purpose flour
• ⅓ cup granulated sugar
• ¼ teaspoon sea salt
• 1 teaspoon vanilla extract
• 1 tablespoon fresh lemon juice

For the Oatmeal Crumble Topping:

• ½ cup brown sugar
• 1¼ cups old-fashioned oats (not instant — this makes a big difference)
• ¼ cup all-purpose flour
• 1 teaspoon cinnamon
• ½ teaspoon nutmeg
• ¼ teaspoon sea salt
• ⅓ cup cold butter, cut into small cubes
• ⅓ cup chopped pecans

Substitution notes: No pecans on hand? Walnuts work just as well. You can also swap the butter for cold coconut oil if you need a dairy-free version — I tested it once and it still crisped up nicely.

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How to Make Easy Peach Crisp with Oat Topping

Step 1: Prep Your Oven and Dish

1. Preheat your oven to 350°F.
2. Lightly grease a deep-dish 9-inch pie dish, a 9-inch square pan, or a medium cast iron skillet with butter or cooking spray.
3. Set your dish aside while you prep the filling.

Step 2: Make the Peach Filling

1. Peel your peaches if desired (see my tip below — it takes less than a minute!), then slice them into even pieces.
2. Add the sliced peaches directly to your greased baking dish.
3. Pour in the vanilla extract and lemon juice, then sprinkle on the granulated sugar and flour.
4. Stir everything together right in the dish until the peaches are evenly coated.

(The lemon juice does two things here: it brightens the peach flavor and helps the filling thicken up as it bakes. Don't skip it!)

Step 3: Make the Oatmeal Crumble Topping

1. In a medium bowl, whisk together the old-fashioned oats, brown sugar, chopped pecans, flour, cinnamon, nutmeg, and salt.
2. Add the cold butter cubes to the bowl.
3. Using two forks or your fingertips, cut the butter into the oat mixture until it looks crumbly and no large butter chunks remain.

(Cold butter is the secret to a crispy, crumbly topping. Room-temperature butter will make it greasy instead of crunchy — learned that the hard way!)

Step 4: Assemble and Bake

1. Spread the oatmeal crumble evenly over the peach filling.
2. Gently press a little of the topping into the peaches so some crumble gets tucked into the fruit layer — this makes every bite perfect.
3. Bake for 40–50 minutes, until the crumble topping is deeply golden and the peach juices are bubbling around the edges.
4. Remove from the oven and let it cool for 5–10 minutes before serving.

Serve warm with a generous scoop of vanilla ice cream. Trust me on this one.

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Storage and Reheating Tips

This homemade peach crisp stores really well, which is great because (in theory) there might be leftovers.

• Refrigerator: Cover tightly with plastic wrap or store in an airtight container for up to 5 days.
• Freezer: You can freeze it for up to 2 months. Let it cool completely first, then wrap well. Thaw overnight in the fridge before reheating.
• Reheating: Warm individual portions in the microwave for 45–60 seconds. To reheat the whole dish and keep the topping crispy, pop it in a 325°F oven for 15–20 minutes, uncovered.

One thing I love about this recipe is that the flavors actually get a little deeper on day two. The peach filling thickens up overnight and the spices settle in. Amy takes it straight from the fridge for breakfast and I honestly can't argue with her logic.

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Tips and Variations for the Best Peach Crisp Recipe

Want to make this your own? Here's what I've tried — and what actually worked.

• Use ripe but firm peaches. Overripe peaches turn mushy during baking. You want peaches with a little give but not soft spots.
• Don't skip the pecans. They add a nutty crunch that makes the topping so much better. Bradley picks them out, but that just means more for me.
• Add a pinch of cardamom to the crumble alongside the cinnamon. It's a small change with a surprisingly lovely result — Amy called it "fancy peach crisp."
• Try it with mixed stone fruit. Swapping out 1–2 cups of peaches for nectarines, plums, or cherries gives you a really beautiful summer fruit crisp. I did this with a mix of peaches and cherries last July and it was honestly one of my best desserts of the season.
• For a gluten-free version, replace the all-purpose flour in both the filling and topping with a 1:1 gluten-free flour blend. The texture is slightly different but still delicious.
• Watch the oven closely after 40 minutes. Every oven runs a little differently. Once you start smelling that buttery crumble, peek in. You want golden brown, not dark brown.

What's your go-to way to serve it — with ice cream, whipped cream, or just straight from the dish? (No judgment on that last one.)

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Frequently Asked Questions About Easy Peach Crisp

Can I Use Frozen or Canned Peaches Instead of Fresh?

Absolutely — and honestly, I make this peach crisp with frozen peaches more often than fresh ones in the winter months. Just thaw them completely and drain off any excess liquid before adding them to the dish.

For canned peaches, drain the syrup thoroughly. I've also rinsed canned peaches under cold water to remove extra sweetness, then patted them dry. If your canned peaches are packed in syrup, you may want to reduce the granulated sugar in the filling by about 2 tablespoons.

How Do I Know When Peach Crisp Is Done Baking?

It's ready when two things happen at the same time: the oatmeal crumble topping is golden brown (not pale, not dark) and you can see the peach juices actively bubbling around the edges of the dish.

This usually happens between 40–50 minutes at 350°F. I always set a timer for 40 minutes and then check every few minutes from there, since ovens vary. If the topping is browning too fast, tent it loosely with foil.

Can I Make Peach Crisp Ahead of Time?

Yes! This is actually a great make-ahead peach crisp recipe. You can bake it up to a full day in advance, let it cool, then cover and refrigerate it.

To serve, reheat individual portions in the microwave or warm the whole dish in a 325°F oven (uncovered, so the topping stays crispy) for about 15–20 minutes. It's just as good the next day — maybe better.

Do I Need to Peel the Peaches for Peach Crisp?

Nope! Peeling is totally optional. The skins soften during baking and most people can't even tell they're there once the crisp is done.

That said, if you prefer to peel them, here's the easiest way: score an X on the bottom of each peach with a sharp knife, drop them in boiling water for 45–60 seconds, then transfer to a bowl of ice water. The skins slip right off — it takes maybe 2 minutes total and makes the whole thing feel very professional.

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Recipes You May Like

If this easy peach crisp with oat topping hit the spot, here are a few more desserts I think you'll love:

• Bourbon Pecan Peach Crisp — A grown-up version of this same concept with a splash of bourbon in the filling. It's incredible for fall gatherings.
• Salted Caramel Apple Pie Bars — All the cozy flavors of apple pie in an easy bar format. Perfect when peach season wraps up and apple season kicks in.
• Pumpkin Bars with Cream Cheese Frosting — When summer peaches give way to fall, these bars are the next thing I'm baking.

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Let's Wrap This Up

If you've been looking for a simple summer peach dessert that doesn't require a lot of fuss, this is it. The filling comes together in minutes, the crumble is made with pantry staples, and the result is warm, bubbling, golden-topped perfection.

This has been on my family's most-requested list for two summers running now, and I don't see that changing anytime soon. Bradley even took a photo of his bowl to show his friends — coming from a 14-year-old, that's basically a five-star review.

Give this easy peach crisp with oat topping a try this week, and come back and tell me how it went! I love hearing about your results.

And if you're saving recipes for later (which I totally recommend), pin this one to your Pinterest dessert board so you can find it again when peach season rolls around.

Happy cooking — here's to many more delicious desserts with your people!

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