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Blueberry Streusel Bars with Lemon Cream Filling


December 9, 2025

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You discovered the Blueberry Streusel Bars you really wish to make. These bars examine each field, from the comfortable buttery crust to the brilliant lemon cream filling that tucks itself round juicy blueberries within the sweetest approach. The textures hit excellent, they lower clear, they usually maintain up fantastically for sharing. I like how the lemon retains the bars from feeling too candy, as a result of steadiness is the entire cause this recipe works so effectively.

close up of a corner of a lemon blueberry bar stacked on top of other bars

 

Ingredient Notes + Variations

These blueberry streusel bars use easy elements that play rather well collectively. The crust and topping share the identical bowl, the filling thickens by itself, and the blueberries flip jammy within the oven.

  • Blueberries– Room temperature berries bake evenly and maintain the filling from seizing. Contemporary works greatest, however you need to use thawed and well-drained frozen berries in a pinch. Chances are you’ll want to extend the bake time if utilizing frozen berries.
  • Butter– Softened butter blends proper into the dry combination to create a young, crumbly base and topping.
  • Old school oats– These give the bars nice texture. Fast oats gained’t maintain the identical construction.
  • Brown sugar– Sweetens the crust and topping with a heat, caramel-like taste.
  • Egg– The egg white binds the crust, the yolk enriches the lemon filling.
  • Sweetened condensed milk– Creates that silky lemon cream filling with out further fuss.
  • Contemporary lemon juice + lemon zest– Provides brightness and retains the filling clean. Contemporary juice is price it.
washed room temperature blueberries in a white bowl with two other bowls behind it

Tips on how to Make Lemon Blueberry Bars

These blueberry streusel bars come collectively shortly due to a shared crust and topping combination plus a straightforward lemon filling. For full recipe particulars, together with elements and measurements, see the recipe card down beneath.

Step 1: Preheat Oven + Prep the Pan

Preheat the oven to 350° F and transfer the oven rack to the middle. Line your baking pan with foil, then butter or spray the foil with non-stick cooking spray so nothing sticks.

Step 2: Combine the Crust and Streusel

Mix the dry elements, mix within the butter, and reserve among the combination for the topping.

Step 3: Press and Bake the Crust

Add the egg white, press the crust firmly into the pan, and bake till the highest begins to dry.

Step 4: Make the Lemon Cream Filling

Whisk the condensed milk, lemon juice, lemon zest, and egg yolk. Let it sit a couple of minutes to thicken.

lemon mixture in a glass bowl with a spatula in it

Step 5: Layer Blueberries and Lemon Filling

Scatter blueberries over the recent crust, spoon the lemon combination on prime, and unfold gently.

Step 6: Bake Once more

Bake till the filling simply begins to set.

Step 7: Add the Streusel and End Baking

Crumble the reserved topping over the filling, then bake till golden and effervescent on the edges.

Step 8: Cool and Reduce

As soon as cool sufficient to take action, rigorously elevate them out of the pan utilizing the foil overhang and switch them to a wire rack to chill fully. Take away foil and lower into 24 bars. Wipe off your knife if it will get too messy then proceed chopping. Voila, completely lower bars.

top down view of sliced lemon blueberry bars

Suggestions for Success

  • Use room-temperature blueberries so the filling units correctly.
  • Press the crust firmly so it doesn’t crumble when slicing.
  • Let the lemon filling relaxation for a couple of minutes earlier than layering, it thickens fantastically.
  • Cool fully for clear squares.
lemon blueberry bars stacked on top of each other on a white plate

These blueberry streusel bars convey the right mixture of shiny lemon, juicy berries, and buttery crumbs. You’ll make them as soon as, then begin planning the subsequent batch. The printable recipe card is down beneath. Get pleasure from, pals!

close up of a corner of a lemon blueberry bar stacked on top of other bars

Blueberry Streusel Bars with Lemon Cream Filling

Katie Cooksey

Contemporary blueberries and a lemon filling are sandwiched between a crumble crust and topping to make these scrumptious Blueberry Streusel Bars with Lemon Cream Filling.

Prep Time 25 minutes

Cook dinner Time 42 minutes

Complete Time 1 hour 7 minutes

Course Dessert

Delicacies American

Servings 24 Bars

Energy 249 kcal

Elements 

 

  • 1 cup unsalted butter 2 sticks, softened
  • 3 cups all-purpose flour
  • 1 1/2 cups old school rolled oats not fast oats
  • 1 1/3 cups gentle brown sugar packed
  • 1 teaspoon salt
  • 1 teaspoon baking powder
  • 1 giant egg separated
  • 14 oz sweetened condensed milk 1 can
  • 1/2 cup contemporary lemon juice
  • 2 teaspoons lemon zest grated
  • 2 1/2 cups blueberries washed and drained, use at room temperature

Directions 

  • Place a rack within the middle of the oven. Preheat oven to 350° F. Line 9×13 inch baking pan with foil, leaving a 1-inch overhang on the ends. Frivolously butter sides and backside of the foil.

  •  In giant bowl, mix the flour, oats, sugar, salt, and baking powder. Utilizing your fingers, mix the butter fully into the flour combination. Switch 2 cups of crumb combination to a different bowl and reserve for topping.

  • Mix the egg white into the remaining crumbs after which press the combination into the underside of the pan to type a degree crust. Bake crust till it begins to type a dry prime, 10 to 12 minutes. 

  • In the meantime, in a medium bowl, whisk the condensed milk, lemon juice, lemon zest, and egg yolk. Let this combination stand 5 minutes; it should start to thicken. 

  • Sprinkle blueberries evenly over the recent crust after which drop spoonfuls of the lemon combination over the blueberries. Unfold gently with a spatula to distribute a bit of extra evenly, however take care to not crush the berries. Its wonderful if the lemon combination is not completely even.

  • Bake simply till the lemon combination begins to type a shiny pores and skin, 7 to eight minutes. Take away from oven and sprinkle reserved topping over the lemon blueberry layer, urgent streusel between your fingers into small clumps as you sprinkle. Bake till filling is effervescent on the edges and the topping is brown, 25 to half-hour.

  • Let bars cool within the pan on a rack till simply heat, about an hour. Fastidiously elevate them out of the pan utilizing the foil overhang and switch to a wire rack to chill fully. Take away foil and lower into 24 bars when cool. Could also be saved at room temperature for a couple of hours, however in any other case ought to be stored within the fridge.

Notes

Storage Directions-
To refrigerate- Retailer bars in an hermetic container within the fridge for as much as 5 days.
To freeze- For longer storage, freeze in a single layer till agency, then wrap and maintain in a freezer-safe container for as much as 2 months. Thaw within the fridge.
Make ahead- These bars are nice to make forward, simply bake as directed, cool fully, then chill earlier than slicing. This helps them lower cleanly and maintain their form for serving the subsequent day.

Vitamin

Energy: 249kcalCarbohydrates: 40gProtein: 4gFats: 8gSaturated Fats: 5gLdl cholesterol: 28mgSodium: 194mgPotassium: 91mgFiber: 1gSugar: 24gVitamin A: 296IUVitamin C: 4mgCalcium: 87mgIron: 1mg

Key phrase blueberry bars, lemon blueberry bars

Variations

  • Swap half the blueberries for raspberries for a combined berry model.
  • Add a splash of vanilla extract to the filling for a comfortable, cozy taste.
  • Change a part of the lemon juice with lime juice for a citrus twist.

Extra Blueberry Recipes to Attempt

If you happen to make this recipe, I might actually recognize it in case you would give it a star ranking and depart your evaluate within the feedback! In case you have an image of your completed dish, publish it on Instagram utilizing the hashtag #laurenslatest and tagging me @laurens_latest.

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