American Dessert

Peach Blueberry Crisp

Juicy summer peaches and plump blueberries bake together under a golden, buttery oat topping for a fruit crisp that tastes like the best of the season.

There is something about the combination of peaches and blueberries that just makes sense. The peaches bring warmth, floral sweetness, and a jammy softness that no other fruit quite matches. The blueberries add little bursts of bright, tangy juice that cut right through the richness and keep every bite feeling lively. Together, they bake into a filling that turns a deep, glowing amber-purple at the edges, bubbling up through a crunchy oat topping that smells of cinnamon and brown sugar. It is one of those desserts where the smell hits you first and the taste makes you immediately want a second bowl.

This peach blueberry crisp is the recipe you reach for when summer fruit is at its absolute best and you want to do something genuinely beautiful with it. It comes together quickly, requires no pie crust, no chilling time, and no special equipment beyond a mixing bowl and a baking dish. It is a natural fit for backyard cookouts and family dinners, but it is also the kind of thing you might make on a Wednesday just because the peaches at the store looked too good to walk past. The combination of two fruits also means the filling has more complex flavor than a single-fruit crisp, with layers of sweetness and brightness working together in every spoonful.

This recipe happened the first time there were leftover blueberries sitting next to a bag of ripe peaches, and the decision to throw them in together turned out to be one of the best kitchen instincts ever acted on. The blueberries collapse slightly during baking and release their deep, inky juice into the peach filling, creating swirls of color and flavor that make the whole thing look as stunning as it tastes. If you have never combined stone fruit and berries in a crisp before, this is the version to start with.

Recipe at a Glance

⏱Prep Time20 mins

🔥Cook Time45 mins

🕐Total Time1 hr 5 mins

🍰Servings8 servings

🇺🇸CuisineAmerican

🔢Calories~315 per serving

Ingredients

Peach Blueberry Filling

2 lbs fresh ripe peaches (about 4 to 5 medium), peeled, pitted, and sliced 1/2 inch thick

1 1/2 cups fresh blueberries, rinsed and picked over

3 tablespoons granulated sugar

1 tablespoon light brown sugar, packed

1 1/2 tablespoons cornstarch

1 tablespoon fresh lemon juice

1/2 teaspoon lemon zest

1/2 teaspoon ground cinnamon

1/4 teaspoon ground nutmeg

1/2 teaspoon pure vanilla extract

1/8 teaspoon fine salt

Oat Crisp Topping

1 cup old-fashioned rolled oats

3/4 cup all-purpose flour

3/4 cup light brown sugar, packed

1/2 teaspoon ground cinnamon

1/4 teaspoon fine salt

6 tablespoons unsalted butter, cold and cut into small cubes

1/3 cup chopped pecans or walnuts

Substitutions & Variations

★Frozen peaches or blueberries can replace fresh when seasonal fruit is unavailable; thaw both completely and drain thoroughly before combining with the filling ingredients to prevent excess liquid.

★Raspberries or blackberries can replace the blueberries at the same quantity for a different berry profile that works just as beautifully with the peaches.

★Swap the all-purpose flour in the topping for a gluten-free 1-to-1 baking flour blend at the same measurement to make the entire crisp gluten-free, and use certified gluten-free oats.

★Solid coconut oil can replace the cold butter in the topping at the same quantity for a dairy-free version with a slightly more neutral flavor.

★Maple syrup can replace the granulated sugar in the filling using 2 tablespoons in place of the 3 tablespoons of granulated sugar for a subtly deeper sweetness.

★Sliced almonds or hazelnuts can replace the pecans or walnuts in the topping at the same quantity, or the nuts can be left out entirely for a nut-free crisp.

Step-by-Step Instructions

1

Preheat the oven

Set your oven to 350 degrees Fahrenheit and position a rack in the center. Lightly butter a 9-by-13-inch baking dish and set it aside. This size allows the mixed fruit filling to spread into an even layer and ensures the topping covers the surface consistently, which helps both the filling and the crisp cook through at the same pace.

2

Peel and slice the peaches

Bring a large pot of water to a boil and fill a separate bowl with ice water. Score a shallow X on the bottom of each peach with a paring knife, then lower the peaches into the boiling water for 30 to 45 seconds. Transfer them immediately to the ice bath. Once cool enough to handle, the skins will peel away effortlessly from the scored X. Pit each peach and slice into half-inch wedges. Consistent thickness is important here because uneven slices cook at different rates, which can leave you with some pieces mushy and others still firm in the finished dish.

3

Prepare the blueberries

Rinse the blueberries under cool water and spread them on a clean kitchen towel or paper towels to dry. Pick out and discard any stems, shriveled berries, or ones that look overripe or moldy. Dry blueberries release their juice more gradually during baking, which gives you a filling with a better texture and more vibrant color rather than a watery, washed-out pool at the bottom of the dish.

4

Mix the filling

Combine the sliced peaches and blueberries in a large bowl. Add both sugars, the cornstarch, lemon juice, lemon zest, cinnamon, nutmeg, vanilla, and salt. Toss gently with a rubber spatula until all the fruit is evenly coated. Use slightly more cornstarch than you might in a single-fruit crisp, since blueberries release a significant amount of liquid as they cook and can make the filling runnier than peaches alone would. Let the mixture sit for five minutes while you put together the topping.

5

Combine the dry topping

In a medium bowl, stir together the rolled oats, flour, brown sugar, cinnamon, and salt until evenly mixed and free of any visible brown sugar clumps. Add the chopped pecans or walnuts and stir to combine. Old-fashioned rolled oats are essential here; quick oats are too thin and will absorb moisture and turn the topping soft and dense instead of producing the open, crunchy texture that makes a crisp worth making.

6

Work in the butter

Add the cold butter cubes to the oat mixture. Using your fingertips, press and pinch the butter into the dry ingredients, working quickly to keep the butter as cold as possible. Stop when the mixture looks like rough, uneven crumbs with some pieces about the size of a small pea still visible. Those irregular chunks of cold butter will puff and crisp in the oven, creating the signature golden, craggly topping that contrasts so beautifully with the soft, bubbling fruit underneath.

7

Assemble the crisp

Pour the fruit filling into the prepared baking dish and use a spatula to spread it into an even layer. Scrape all the accumulated juices from the bowl into the dish since that liquid is where much of the concentrated flavor lives and it becomes the sauce that pools under the topping as everything bakes. Scatter the oat topping evenly over the fruit, covering the surface as completely as possible without pressing it down into the filling.

8

Bake until bubbling and golden

Bake on the center rack for 40 to 48 minutes. The crisp is done when the topping is a deep, uniform golden brown across the entire surface and the fruit filling is actively bubbling around the edges and up through any natural gaps in the topping. The blueberries will have turned the edges of the filling a deep purple-red, which is a beautiful visual sign that the fruit has fully released its juice and the sauce has thickened properly. If the topping browns before the filling is bubbling, tent the dish loosely with foil and continue baking.

9

Rest and serve

Remove the crisp from the oven and place it on a wire rack to rest for 10 to 15 minutes before scooping. This resting time allows the cornstarch-thickened filling to set slightly so it holds its shape when spooned into bowls rather than running everywhere. The topping also firms up during this time, which takes it from slightly soft to genuinely crunchy and makes every bite that much more satisfying.

Pro Baker Tips

✓Use ripe but still slightly firm peaches; overripe peaches will break down too much during baking and lose the distinct slices that give the filling its appealing texture.

✓The extra half tablespoon of cornstarch compared to a peaches-only crisp is intentional; blueberries release a lot of liquid when they cook, so you need a little more thickener to keep the filling from turning soupy.

✓Lemon zest in the filling is a small addition that makes a noticeable difference; it brightens the flavor of both fruits without making the dessert taste citrusy.

✓Keep your butter refrigerator-cold right up until you use it and work quickly with your fingertips; warm butter integrates too smoothly and the topping will bake up dense rather than light and crunchy.

✓If your peaches are very sweet and your blueberries are mild, reduce the granulated sugar in the filling by one tablespoon to keep the balance between the two fruits where it should be.

✓Place a rimmed baking sheet on the rack below the crisp to catch any filling that bubbles over during baking, which will save you from a sticky oven cleanup.

✓For extra crunch and nuttiness, toast the pecans or walnuts in a dry skillet over medium heat for two to three minutes before adding them to the topping.

Storage & Serving Notes

◆Cover the cooled crisp tightly with plastic wrap or store portions in an airtight container in the refrigerator for up to four days.

◆Reheat portions in a 325-degree oven for 12 to 15 minutes uncovered; oven reheating restores much of the topping crunch that the microwave cannot replicate.

◆Individual servings can be microwaved for 45 to 60 seconds for a quick warm-up, though the topping will be noticeably softer than when oven-reheated.

◆The fully baked crisp freezes well; wrap tightly in plastic wrap and then foil and freeze for up to two months. Thaw overnight in the refrigerator and reheat in a 325-degree oven.

◆If you want to get ahead, mix the dry topping ingredients and store them in a sealed container in the refrigerator for up to three days; work in the cold butter and assemble the day you plan to bake.

Serving Suggestions

The combination of peaches and blueberries pairs beautifully with both classic and slightly more creative accompaniments.

›A large scoop of vanilla bean ice cream slowly melting into the warm purple-gold filling

›Freshly whipped cream with a light dusting of cinnamon or lemon zest on top

›Plain or vanilla Greek yogurt for a cool, tangy contrast that works especially well for brunch

›A drizzle of blueberry compote or warm honey to lean into the berry side of the filling

›A pour of cold heavy cream over the warm crisp for a simple, old-fashioned finish

Frequently Asked Questions

Can I use all blueberries or all peaches instead of a mix?

Absolutely. If you want to go all-peaches, reduce the cornstarch to 1 tablespoon since peaches release less liquid than blueberries. For an all-blueberry crisp, keep the cornstarch at 1 and a half tablespoons since blueberries are quite juicy and the thicker amount helps the filling set properly. The topping recipe works perfectly for either single-fruit version.

Do I have to peel the peaches?

Peeling is strongly recommended for the best texture. Peach skins can turn slightly tough and chewy during baking, which creates an unpleasant textural contrast against the otherwise silky filling. The blanching method described in the recipe makes peeling very fast and easy, and the results are noticeably better than leaving the skins on.

Can I make this crisp ahead and bake it later?

Yes. Assemble the entire crisp in the baking dish, cover it tightly with plastic wrap, and refrigerate for up to 24 hours before baking. Pull it out while the oven preheats and add about five to eight extra minutes to the baking time since everything is starting cold. This is a great strategy for holidays or dinner parties when oven time is limited and you want to do as much prep as possible in advance.

Why is my filling watery instead of thick and saucy?

A watery filling usually means the crisp needed a bit more time in the oven, the cornstarch was under-measured, or the fruit was too wet when it went into the dish. Make sure you dry your blueberries well, drain any excess liquid from thawed frozen fruit before using it, measure the cornstarch accurately, and bake until you see thick, active bubbling from the filling before pulling the dish out.

Is this recipe good with other fruit combinations?

It works wonderfully with many other pairings. Peach and raspberry is a beautiful combination with a brighter, more tart profile. Peach and blackberry leans deeper and more earthy. Peach and cherry is a classic summer combination that works especially well with the cinnamon in the filling. You can swap any of these in at the same total fruit weight and the recipe will hold together perfectly.

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Go Make It!

Peach blueberry crisp is summer fruit at its most joyful, two of the season's best offerings baked together into something that is greater than the sum of its parts. It asks very little of you in terms of time or skill, and it gives back a dessert that looks stunning, smells incredible, and disappears from the dish before you have a chance to wonder if you made enough. Make it while the fruit is at its peak, share it generously, and do not be surprised when it becomes the most requested recipe in your warm-weather collection.