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Strawberry Peach Basil Crisp with Brown Butter & Sesame

Is it cool if I post this Strawberry Peach Basil Crisp recipe at the very tail end of summer? Is it cool that I even asked?

Well, I’ll go ahead and assume yes. 

overhead shot of strawberry basil peach crisp, served in a white baking dish

It is my opinion that as long as the local markets are still piling peaches into cardboard crates and strawberries are hanging on for dear life, I see no reason to say goodbye. Especially not when basil is still thriving and practically begging to be tucked into dessert for a change – where it feels at once like an act of faith and rebellion, but somehow perfectly natural.

For the nostalgic souls who are never quite ready to say goodbye to summer, this Strawberry Peach Basil Crisp is the perfect farewell to the season. It has all that golden-bubbly comfort of a Fall classic fruit crisp, but with those bright elements that are quintessentially summer. 

This is a dish where sweet, juicy, and buttery collide, bubbling beneath an oat crumble that will slowly but surely crisp up in the oven. Serve it warm with vanilla ice cream or a dollop of whipped cream, and it will taste like late summer or early Fall – depending on the mood, depending on the day.

Strawberry Peach Basil Crisp with Brown Butter and Sesame 

This crisp is not like other crisps. It’s fall on top, summer on the bottom. It’s bright and fresh meets nutty and warm. It’s the kind of dish that makes you wonder: does this even work? Why is it trying to be everything?

The answer is that it works beautifully. All the elements come together with purpose, but in a subtle way. They complement one another rather than compete. When creating this, I wanted a dish that was buttery and rich, but with a good crisp snap. Slightly toasty and warm, yet aromatic, zesty, and bright.

What we ended up with is a crisp where cinnamon lingers in the background, sesame adds a nutty crunch, and basil keeps it fresh and lively. Who says you can’t have it all?

basil leaves, sliced peaches and strawberries macerating in a metal bowl
macerated basil leaves, sliced peaches and strawberries in a metal bowl
macerated basil leaves, sliced peaches and strawberries placed in strainer over a bowl
sliced peaches and strawberries in a skillet

A Bright, Jammy Filling

If you’re new here, one thing about me is that I have a habit of adding basil to my desserts. The trick, though, is that basil is a very delicate herb – so sensitive, in fact, that it bruises more easily than a peach. Which means tossing fresh basil leaves into a hot oven for several minutes is not exactly a good idea. You want basil added at the very last minute. You want it to barely graze the heat.

So, in order to create a filling with a satisfying amount of basil without sacrificing handfuls of leaves along the way, the work has to start well before the oven is on – but don’t worry, it’s all passive. You’ll hardly have to lift a finger.

Enter: maceration.

Maceration is the process of softening fruit by letting it sit in liquid. It extracts flavor, color, and aroma while infusing new notes. Sprinkle sliced fruit with sugar and it releases its own juices; let it sit in them, and the fruit softens and deepens in flavor.

That’s how this crisp begins. The basil gets a chance to infuse into the peaches and strawberries without burning, browning, or fading. Meanwhile, a thick, aromatic syrup forms, that will later transform into a jammy, cohesive filling under your crumble topping. The longer you allow the fruit to macerate – up to 48 hours covered in the fridge – the stronger the basil flavor and the better it stands up to baking. At minimum, I recommend giving it at least two hours.

oat crumble topping in a metal bowl
strawberry basil and peach filling topped with oat crumble in a white baking dish
baked strawberry basil and peach filling topped with oat crumble in a white baking dish
closeup shot of strawberry basil peach crisp served in a white baking dish

A Nutty, Warm Crisp

This is a typical rustic, buttery crumble, but a few elements bring it more depth. The butter is browned, adding a caramel note to the final dish, alongside the brown sugar. For an extra layer of texture, I thought, why not sesame seeds?

Not only do they add their own nuttiness, but they also bring tiny pops of crunch – something unexpected. A little goes a long way: too much and they’ll compete with the oats. The right amount keeps it crunchy but balanced.

For a deeper, earthy note, the sesame seeds are toasted with the butter. No extra step, just extra flavor. Then cinnamon comes in, adding a warm but subtle background. In the end, the flavors lift each other up.

If your preferred ratio is crisp > fruit, I suggest doubling the topping. This is a decidedly fruit-forward crisp, so feel free to adjust as you like!

overhead shot of strawberry basil peach crisp, served in a white baking dish next to a bowl of whipped cream
slice of strawberry basil peach crisp served on a white plate

Serving & Variations

Swap sesame seeds for chopped almonds, hazelnuts, or pistachios.
Frozen fruit option: Use frozen peaches and strawberries.
Herb swap: Try mint, tarragon, or thyme for a different herbal lift.

And of course, my favorite way to serve it: drowning in classic vanilla custard.

If you’re looking for more late summer treats, try this lovely plum galette or this easy strawberry and plum cobbler!

overhead shot of strawberry basil peach crisp, served in a white baking dish next to a bowl of whipped cream
closeup shot of strawberry basil peach crisp served in a white baking dish

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What’s your favorite late-summer fruit dessert? Tell me below!

Strawberry Peach Basil Crisp with Brown Butter & Sesame

Servings

1

8-inch baking dish
Prep time

30

minutes
Cooking time

5

minutes
Resting Time

2

hours

Ingredients

  • Filling:
  • 900g peaches, peeled & sliced (approximately 700g after prep)

  • 350g strawberries, hulled and halved

  • 120g granulated sugar

  • Pinch of salt

  • Zest or peel of 1 lemon
    handful of fresh basil leaves, torn into pieces

  • 2 tbsp cornstarch

  • Topping:
  • 70g butter

  • 1/2 tbsp sesame seeds

  • 60g all purpose flour

  • 40g rolled oats

  • 40g brown sugar

  • 1/4 tsp salt

  • 1/8 tsp cinnamon

  • 2 tbsp slivered almonds

Directions

  • Macerate the fruit: in a large bowl, toss sliced peaches and strawberries with sugar, salt, lemon zest, and basil. Cover and place in the fridge for at least 2 hours - but up to 3 days.

  • Preheat the oven to 350F.

  • Meanwhile, brown the butter: heat the butter in a saucepan over medium until foaming. Add in the sesame seeds, stirring often, continuing to heat as the milk solids brown and the butter turns to an amber color. Set aside and allow it cool.

  • Make the topping: in a medium bowl, add the flour, oats, brown sugar, salt, and cinnamon. Mix to combine. Add the cooled brown butter (still liquid) and toss until clumps form. Set aside in the fridge until ready to use.

  • Strain off the syrup: place a strainer over a medium bowl. Pour the macerated fruits into the strainer, pressing to get as much juice as possible. Remove the basil leaves (keep them for the syrup) and discard the lemon peel. Set aside.

  • Cook the syrup: add the strained syrup to a saucepan along with the basil leaves. Simmer over medium heat until reduced to half. Remove from heat and set aside. Discard the basil leaves.

  • Whisk the cornstarch with 4 tbsp water to make a slurry. Mix into the syrup along with the macerated fruit.

  • Pour the filling into an 8-inch baking dish and cover with the topping. Sprinkle with slivered almonds. Bake for 40 minutes, or until the filling is bubbling and the crumble is golden.

  • Cool completely before slicing. Serve.

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