Lemon Blondies with Raspberries

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5 from 1 vote
Prep: 10 minutes
Cook: 23 minutes
Cool Time: 1 hour
Total: 1 hour 33 minutes

Lemon Blondies with Raspberries are the perfect amount of sweet, tangy, yet delectable treat. These blondies are a summer staple.

Lemon Blondies with Raspberries on a plate.

Cakey, yet chewy blondies with raspberries are by far one of the best desserts in my opinion. They combine two of the best desserts, cookie in the form of a brownie, what could be better? This tart raspberry blondies recipe uses a shortcut by starting with a box of lemon cake mix. What is a blondie? Find out the details about this treat.

For more mouthwatering lemon dessert recipes, check out this collection.


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What We Love About This Recipe

  • Easy Ingredients: The ingredients for this Lemon blondies with Raspberries couldn’t be easier as it starts with a box of cake mix.
  • Family Friendly: Your family will gobble down these raspberry blondies.
  • Adaptable: Use whatever type of berries you would like, if raspberries don’t float your boat.
Lemon Blondies with Raspberries on a plate.

Ingredient Notes

  • Lemon Cake Mix
  • Vegetable Oil
  • Eggs
  • Vanilla
  • Fresh Raspberries or Frozen Raspberries
  • Powdered Sugar
  • Lemon Juice
  • Milk

Equipment Needed

How to Make Lemon Raspberry Blondies

These are the basic steps for making Lemon Blondies with Raspberries. Please refer to the recipe card below for more detailed instructions.

STEP 1: MAKE THE BATTER

First preheat the oven to 350 degrees. In a large mixing bowl, mix together the box cake mix, vegetable oil, eggs, and vanilla extract, beat for 2 minutes until fluffy. Then transfer to the a greased or parchment paper lined square baking pan.

STEP 2: ADD THE RASPBERRIES

Use a spatula to press the raspberries into the top of the batter.

STEP 3: BAKE RASPBERRY LEMON BARS

Bake lemon blondies with raspberries for 22-24 minutes. Check doneness with a toothpick, if it comes clean then they are done. Allow to cool completely before adding the glaze.

STEP 4: MAKE THE GLAZE

In a small bowl combine powdered sugar, lemon juice, and milk. On a wire rack, pour the lemon glaze over the blondies. Allow the glaze the set completely before cutting into squares, then serve or store for later.

Prep and Storage Tips

HOW TO MAKE THIS RECIPE AHEAD OF TIME

To make this recipe ahead of time, follow the steps as usual and store in an airtight container, either in the fridge or at room temperature.

HOW TO STORE THIS RECIPE

Store leftover lemon blondies with raspberries in an airtight container for 3-4 days either at room temperature or in the fridge.

HOW TO FREEZE THIS RECIPE

To freeze lemon raspberry blondies, wrapped each square individually in cling wrap and store in a freezer bag for up to 3 months.

Frequently Asked Questions

CAN I SUBSTITUTE BLUEBERRIES IN PLACE OF RASPBERRIES?

You can absolutely switch blueberries for raspberries.

CAN THIS RECIPE BE DOUBLED OR HALVED?

This recipe can easy by doubled or halved, increase or decrease ingredients proportionally, if halving then use a loaf pan or if you are doubling either split between 2 dishes or bake in a 1/2 sheet pan.

ARE BLONDIES MEANT TO BE GOOEY IN THE MIDDLE?

Blondies should have drier looking edges and a moist center, they should not be too gooey otherwise they are probably under done.

A top shot of the raspberry lemon bars.

Expert Tips for Making This Recipe

  • Raspberry Jam: Don’t have any fresh or frozen raspberries? No problem, just use raspberry jam or jelly. You can add gobs it the top and use a knife to swirl into the blondies.
  • Other Berries: You can absolutely switch in any other berries such as blueberries, blackberries, or strawberries.
  • White Chocolate Chips: For some extra creamy and richness, fold in white chocolate chips to batter.
  • Zest: Add a little lemon zest for even more lemon flavor.

What to Serve with Lemon Blondies with Raspberries

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Lemon Blondies with Raspberries on a plate.
5 from 1 vote

Lemon Blondies with Raspberries

Yield: 12 servings
Prep: 10 minutes
Cook: 23 minutes
Cool Time: 1 hour
Total: 1 hour 33 minutes
Lemon Blondies with Raspberries are the perfect amount of sweet, tangy, yet delectable treat. These blondies are a summer staple.
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Ingredients

Blondies:

  • 1 Box Lemon Cake Mix
  • 1/3 cup Vegetable Oil
  • 2 Eggs
  • 1 teaspoon Vanilla Extract, optional
  • 1/2 cup Raspberries, as needed

Optional Glaze:

  • 1/2 cup Powdered Icing Sugar
  • 2 Tablespoons Lemon Juice
  • 2 Tablespoons Milk, as needed

Instructions

  • Preheat oven to 350F.
  • Grease a 8″ x 8″ casserole dish and set aside.
  • In a large bowl, beat together the cake mix, vegetable oil, eggs and vanilla extract for 2 minutes until well combined and fluffy.
  • Pour the batter into the prepared baking dish.
  • Press the raspberries into the batter, then use a spatula to even out the top of the batter and slightly cover the majority of the raspberries.
  • Bake for 20-24 minutes until an inserted toothpick comes out clean.
  • Allow the blondies to cool completely before preparing the glaze.
  • In a small bowl, whisk together all glaze ingredients.
  • Pour the glaze all over the blondies and smooth over with an offset spatula until blondies are completely covered.
  • Allow the glaze to set for at least 1 hour before cutting the blondies to store or serve.

Expert Tips

  • Raspberry Jam: Don’t have any fresh or frozen raspberries? No problem, just use raspberry jam or jelly. You can add gobs it the top and use a knife to swirl into the blondies.
  • Other Berries: You can absolutely switch in any other berries such as blueberries, blackberries, or strawberries.
  • White Chocolate Chips: For some extra creamy and richness, fold in white chocolate chips to batter.

Estimated Nutritional Information

Calories: 248kcal | Carbohydrates: 41g | Protein: 3g | Fat: 8g | Saturated Fat: 2g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 2g | Trans Fat: 0.1g | Cholesterol: 28mg | Sodium: 325mg | Potassium: 45mg | Fiber: 1g | Sugar: 24g | Vitamin A: 45IU | Vitamin C: 2mg | Calcium: 100mg | Iron: 1mg
The nutritional information provided are estimates. To learn more about how I calculate this information go to www.itisakeeper.com/about-its-a-keeper/privacy-disclosure-policies/
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Course: Dessert
Cuisine: American
Keyword: blondies, cake mix, lemon, lemon bar, lemon glaze, Raspberry

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