Why You’ll Love This Peach Crisp with Oat Topping
- It’s incredibly forgiving. Unlike a pie that requires a perfect crust, a crisp is wonderfully low-stress. A little more peach? Great! A little less sugar? It’ll still be delicious. It’s the ideal dessert for when you want something impressive without the stress.
- The texture is pure magic. You get this fantastic contrast between the soft, jammy peaches and the crisp, nutty oat topping. Every bite is a perfect balance of tender and crunchy, and honestly, that’s what dessert dreams are made of.
- It celebrates the fruit. When peaches are in season, this recipe really lets them shine. The simple spicing enhances their natural sweetness without overpowering it. You’ll notice the true, bright flavor of the peaches comes through in every spoonful.
- It’s versatile all year round. While nothing beats fresh summer peaches, this recipe works beautifully with frozen ones, meaning you can get a taste of sunshine even in the depths of winter. It’s a little bowl of comfort whenever you need it.
Ingredients & Tools
- For the Peach Filling:
- 2.5 lbs ripe peaches (about 6-7 medium)
- 1/3 cup granulated sugar
- 1 tbsp fresh lemon juice
- 1 tsp vanilla extract
- 2 tbsp all-purpose flour
- 1/2 tsp ground cinnamon
- 1/4 tsp ground nutmeg
- Pinch of salt
- For the Oat Topping:
- 1 cup old-fashioned rolled oats
- 3/4 cup all-purpose flour
- 1/2 cup packed light brown sugar
- 1/2 tsp ground cinnamon
- 1/4 tsp baking powder
- 1/4 tsp salt
- 1/2 cup cold unsalted butter, cubed
Tools: A 9-inch pie dish or 8×8 inch baking dish, a large mixing bowl, a medium mixing bowl, a pastry cutter or your fingers, a paring knife.
The quality of your peaches really makes a difference here—ripe, fragrant ones will give you the best flavor. And using cold butter for the topping is non-negotiable; it’s what creates those lovely, flaky pockets of crispiness as it bakes. A little goes a long way!
Serves: 6-8 | Prep Time: 20 minutes | Cook Time: 40-45 minutes | Total Time: about 1 hour 10 minutes
Before You Start: Tips & Ingredient Notes
- Peach Selection is Key. You want peaches that yield slightly to gentle pressure near the stem. If they’re rock hard, they won’t have developed their full sweetness. If they’re super soft, they might be a bit mushy. That sweet spot is perfect.
- To Peel or Not to Peel? Honestly, I often skip peeling. The skin softens beautifully and adds a bit of color and fiber. But if you prefer a smoother texture, score a small “X” on the bottom of each peach, blanch in boiling water for 30 seconds, then transfer to an ice bath. The skins will slip right off.
- Cold Butter is Your Best Friend. I can’t stress this enough. For the crispiest, most crumbly topping, your butter must be cold straight from the fridge. If it starts to soften while you’re working, pop the whole bowl in the freezer for 5 minutes.
- Don’t Skip the Lemon Juice. It might seem like a small thing, but the acid in the lemon juice brightens the entire dish and balances the sweetness of the peaches and sugar. It keeps the flavor from feeling one-dimensional.
How to Make Peach Crisp with Oat Topping
Step 1: Prepare the Peaches. First, preheat your oven to 375°F (190°C). Now, let’s tackle the peaches. Wash them, then slice them in half, remove the pit, and cut each half into slices about 1/2-inch thick. You’ll notice that the slices don’t have to be perfect—this is a rustic dessert! Toss the peach slices into your large mixing bowl. Drizzle with the lemon juice and vanilla extract, and give them a gentle stir. This initial coating helps prevent browning and starts layering the flavors.
Step 2: Flavor and Thicken the Filling. To the bowl with the peaches, add the 1/3 cup granulated sugar, 2 tablespoons of flour, 1/2 teaspoon of cinnamon, nutmeg, and that pinch of salt. The flour is crucial here—it’s what will absorb the juices released by the peaches as they bake, creating a lovely thick syrup instead of a watery puddle. Toss everything together until the peaches are evenly coated. You’ll see a faint dusty coating on them, which is exactly what you want. Pour this mixture into your ungreased baking dish, spreading it into an even layer.
Step 3: Create the Oat Topping. Now, for the best part! In your medium bowl, whisk together the rolled oats, 3/4 cup flour, brown sugar, the other 1/2 teaspoon of cinnamon, baking powder, and salt. The baking powder gives the topping a little extra lift and lightness. Scatter the cold, cubed butter over the dry ingredients. Using a pastry cutter, two forks, or—my personal favorite—your fingertips, work the butter into the mixture. You’re aiming for a crumbly texture with pea-sized (and some smaller) bits of butter throughout. The mixture should hold together when you pinch it, but still look quite dry and crumbly.
Step 4: Assemble and Bake. Sprinkle the oat topping evenly over the peach filling. Don’t press it down—you want it to stay loose and airy for maximum crispiness. Pop the dish onto a baking sheet (this catches any potential bubble-overs and makes cleanup easier). Slide it into the preheated oven and bake for 40-45 minutes. You’ll know it’s done when the topping is a deep golden brown and the fruit filling is bubbling vigorously around the edges. The aroma filling your kitchen will be absolutely irresistible.
Step 5: The Most Important Step—Rest! I know it’s tempting to dive right in, but you have to let the crisp rest for at least 20-30 minutes after pulling it from the oven. This waiting period allows the fruit filling to thicken up properly. If you cut into it too soon, it will be soupy. Trust me, the patience is rewarded with the perfect syrupy consistency.
Serving Suggestions
Complementary Dishes
- A simple green salad with a tangy vinaigrette — The sharpness of the dressing cuts through the sweetness of the crisp beautifully, making the whole meal feel balanced and sophisticated.
- Grilled pork chops or a roasted chicken — The sweet and savory combination is a classic for a reason. The juicy peaches are a fantastic accompaniment to simply prepared proteins.
Drinks
- A glass of cold, off-dry Riesling — The wine’s slight sweetness and high acidity mirror the flavors in the crisp and cleanse the palate between bites.
- Iced coffee or a warm chai latte — The spicy, bitter notes of coffee or chai provide a wonderful contrast to the sweet, fruity dessert, especially if you’re enjoying it in the afternoon.
Something Sweet
- A giant scoop of high-quality vanilla bean ice cream — This is non-negotiable for me. The cold, creamy ice cream melting into the warm crisp is the ultimate textural and temperature contrast.
- A dollop of lightly sweetened whipped cream — For a lighter option, freshly whipped cream adds a cloud-like richness without being too heavy.
Top Mistakes to Avoid
- Mistake: Using melted or softened butter for the topping. This is the number one reason for a soggy, greasy topping. The cold butter solids create steam as they melt in the oven, which is what gives you those delightful crispy flakes.
- Mistake: Skipping the flour in the filling. Without a thickener, the natural juices from the peaches will not set, and you’ll end up with a crisp swimming in liquid. The flour is essential for that perfect, spoonable syrup.
- Mistake: Over-mixing the topping. You want a crumbly texture, not a uniform dough. If you mix it until it forms a single mass, it will bake into a dense, cookie-like layer instead of a crisp one. Stop when it’s still clumpy and coarse.
- Mistake: Not letting it rest after baking. I’ve messed this up before too, and it’s a lesson you only need to learn once. That resting time is when the magic happens and the juices thicken into a proper sauce.
Expert Tips
- Tip: Add a handful of nuts to the topping. For an extra layer of flavor and crunch, stir in 1/3 cup of chopped pecans or almonds into the dry ingredients for the topping before adding the butter. It adds a wonderful nutty depth.
- Tip: Grate your cold butter. If you have a box grater, try grating the cold butter into the flour mixture. It distributes the butter more evenly and makes incorporating it with your fingers incredibly quick and easy.
- Tip: Make it ahead for easy entertaining. You can assemble the entire crisp, cover it tightly, and refrigerate it up to 24 hours before baking. Just add a few extra minutes to the baking time since it will be going into the oven cold.
- Tip: Broil for a final crisp. If your topping is golden but you want an extra-crunchy finish, pop the crisp under the broiler for just 60-90 seconds at the very end. Watch it like a hawk—it can burn in a flash!
FAQs
Can I use frozen peaches?
Absolutely! You don’t even need to thaw them first. Just toss the frozen peach slices directly with the filling ingredients (you might need to add an extra tablespoon of flour since frozen fruit releases more water). The baking time might increase by 5-10 minutes. It’s a fantastic way to enjoy this dessert any time of year.
Can I make this gluten-free?
Yes, it’s a very easy swap. Use a 1:1 gluten-free all-purpose flour blend in place of the regular flour in both the filling and the topping. Just make sure your oats are certified gluten-free, as oats are often processed in facilities that also handle wheat.
How should I store leftovers?
Cover the baking dish tightly with plastic wrap or transfer leftovers to an airtight container. It will keep in the refrigerator for up to 4 days. The topping will soften, but it’s still delicious. You can reheat individual portions in the microwave or re-crisp the whole thing in a 350°F oven for 10-15 minutes.
Can I use quick oats instead of old-fashioned rolled oats?
I don’t recommend it. Old-fashioned rolled oats provide the best texture—they hold their shape and give you that satisfying chew. Quick oats are cut smaller and will absorb more moisture, resulting in a softer, less defined topping that can verge on mushy.
My crisp is too watery. What happened?
This usually boils down to two things: either the flour was left out of the filling, or the crisp wasn’t allowed to rest after baking. The flour needs time to work its thickening magic as the crisp cools. If you’re in a pinch next time, a teaspoon of cornstarch mixed with the sugar can provide a stronger thickening power.
Peach Crisp With Oat Topping
My easy peach crisp recipe with a buttery oat topping is pure comfort! Juicy peaches & a crunchy crust make the perfect dessert. Serve warm with ice cream for a taste of home.
Ingredients
Ingredients
-
2.5 lbs ripe peaches (about 6-7 medium)
-
1/3 cup granulated sugar
-
1 tbsp fresh lemon juice
-
1 tsp vanilla extract
-
2 tbsp all-purpose flour
-
1/2 tsp ground cinnamon
-
1/4 tsp ground nutmeg
-
Pinch salt
-
1 cup old-fashioned rolled oats
-
3/4 cup all-purpose flour
-
1/2 cup packed light brown sugar
-
1/2 tsp ground cinnamon
-
1/4 tsp baking powder
-
1/4 tsp salt
-
1/2 cup cold unsalted butter (cubed)
Instructions
-
Prepare the Peaches. First, preheat your oven to 375°F (190°C). Now, let's tackle the peaches. Wash them, then slice them in half, remove the pit, and cut each half into slices about 1/2-inch thick. You'll notice that the slices don't have to be perfect—this is a rustic dessert! Toss the peach slices into your large mixing bowl. Drizzle with the lemon juice and vanilla extract, and give them a gentle stir. This initial coating helps prevent browning and starts layering the flavors.01
-
Flavor and Thicken the Filling. To the bowl with the peaches, add the 1/3 cup granulated sugar, 2 tablespoons of flour, 1/2 teaspoon of cinnamon, nutmeg, and that pinch of salt. The flour is crucial here—it's what will absorb the juices released by the peaches as they bake, creating a lovely thick syrup instead of a watery puddle. Toss everything together until the peaches are evenly coated. You'll see a faint dusty coating on them, which is exactly what you want. Pour this mixture into your ungreased baking dish, spreading it into an even layer.02
-
Create the Oat Topping. Now, for the best part! In your medium bowl, whisk together the rolled oats, 3/4 cup flour, brown sugar, the other 1/2 teaspoon of cinnamon, baking powder, and salt. The baking powder gives the topping a little extra lift and lightness. Scatter the cold, cubed butter over the dry ingredients. Using a pastry cutter, two forks, or—my personal favorite—your fingertips, work the butter into the mixture. You're aiming for a crumbly texture with pea-sized (and some smaller) bits of butter throughout. The mixture should hold together when you pinch it, but still look quite dry and crumbly.03
-
Assemble and Bake. Sprinkle the oat topping evenly over the peach filling. Don't press it down—you want it to stay loose and airy for maximum crispiness. Pop the dish onto a baking sheet (this catches any potential bubble-overs and makes cleanup easier). Slide it into the preheated oven and bake for 40-45 minutes. You'll know it's done when the topping is a deep golden brown and the fruit filling is bubbling vigorously around the edges. The aroma filling your kitchen will be absolutely irresistible.04
-
The Most Important Step—Rest! I know it's tempting to dive right in, but you have to let the crisp rest for at least 20-30 minutes after pulling it from the oven. This waiting period allows the fruit filling to thicken up properly. If you cut into it too soon, it will be soupy. Trust me, the patience is rewarded with the perfect syrupy consistency.05


