Blueberry Strudel with a Yogurt Sauce

A simple flaky phyllo and blueberry strudel with a luscious vanilla Greek yogurt sauce that’s great for brunch!

My favorite summertime phyllo dessert has become this simple blueberry strudel with a vanilla Greek yogurt sauce. The buttery phyllo is crisp and flaky, stuffed with sticky, gooey, sweet blueberry filling, and then topped with a tangy vanilla sauce that rivals ice cream. It’s rustic and so much better than store-bought.

Blueberries are in season and create a filling that’s not overly sweet, which makes for perfectly sweet strudel. However, you can swap them out for any type or combination of berries. Blackberries would create a similar deep, dark filling, but raspberries and strawberries would be bright, tart, and sweet. Try a combination of them to create a complex berry-flavored filling. So good!

Why will this be my new summertime go-to?

Crispy, Flaky

Buttery, phyllo

Ooey, gooey

Thick, sticky

Sweet blueberry filling

Creamy, tangy

Vanilla sauce.

What do I need for the strudel crust?

#4 Phyllo pastry -12-14 sheets thawed and at room temperature

Butter -melted to drizzle between each layer for delicious buttery phyllo flavor.

Sugar -a strudel needs to be sweet, and the sugar melts into the butter while baking and adds a ton of caramelized goodness to the phyllo.

What are the ingredients for blueberry filling?

Fresh blueberries -or frozen will work and you can use any combination of berries you like.

​Sugar -to help sweeten the filling and create a thick filling.

Zest of half of a small lemon -provides a fresh burst of lemon in addition to the juice.

Cornstarch -works with the sugar to thicken the filling.

Lemon juice –freshly squeezed to elevate the blueberry flavor.  

Unsalted butter -I love how this finishes the filling off with a creaminess you don’t get from the cornstarch.

Pinch of salt -just a pinch is all it takes to bring all the flavors together.

What’s in the yogurt sauce?

Greek yogurt -I love using this as a base because it adds a bit of tanginess to the sauce.

Powdered sugar -to sweeten the yogurt without the graininess of granulated sugar.

Lemon zest -or orange adds bright, zesty flavor and pairs perfectly with blueberries.

How do I make blueberry filling?

Place one cup of the blueberries in a small saucepan with the sugar, salt, lemon juice, lemon zest, butter, and cornstarch. Cook over medium heat until the juices release. Keep mixing and mashing the berries. This will create a beautiful, thick blueberry sauce. Remove from heat, and stir in the remaining 4 cups of blueberries to the sauce. Set aside to cool.

How do I prepare the phyllo sheets?

Keep two towels ready: a damp one and a dry one. Cover the phyllo dough first with the dry towel and then with the damp towel. This will keep them from drying out and crumbling.

How do I build the base of the strudel?

Place one sheet of phyllo on a baking sheet lined with parchment paper. Drizzle some melted butter on it and brush all over. Sprinkle about a tablespoon of sugar over the entire sheet, and repeat this step with five more sheets.

How do I assemble a strudel?

Preheat oven to 350F, 180 °C. Brush melted butter around the border of the stacked phyllo sheets. Place half of the blueberry filling in the center. Fold the phyllo over the filling like a letter and press the sides down. Brush the top with more melted butter and sprinkle with sugar. Repeat the same steps to form the second strudel.

How long do I bake it?

Place in the center rack of your oven. Bake for 35-40 minutes or until golden brown. Allow to cool 15-20 minutes before serving.

How do I make the yogurt sauce?

Whisk the Greek yogurt and sugar together until combined. Zest a lemon over the yogurt and serve!

Can I make this ahead and freeze?

Assemble the strudel and chill it in the freezer until frozen. Wrap it in plastic wrap and foil, and it will stay fresh for up to 3 months. Uncover and bake it (frozen) for about an hour or until golden.

Do you have more strudel recipes?

The first strudel on my channel was an Apple Strudel, and then I turned it into an Apple Strudel Puff Pastry Braid. I also made a Pineapple Cheesecake Puff Pastry Braid. I got creative and even made Roasted Vegetable Strudel two ways!

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