Blueberry Lemon Breakfast Squares

Highlighted under: Baking & Desserts

I love starting my day with a burst of flavor, and these Blueberry Lemon Breakfast Squares do just that! The combination of tangy lemon and sweet blueberries creates a delightful balance that’s perfect for breakfast or brunch. They are easy to make and can be prepped in advance, making busy mornings a little brighter. Topped with a light glaze, these squares are not just delicious but also visually appealing, ensuring I enjoy every bite. Trust me, you’ll be reaching for seconds!

Bethany Clarke

Created by

Bethany Clarke

Last updated on 2026-01-15T15:43:20.763Z

When I first experimented with these Blueberry Lemon Breakfast Squares, the goal was to create something bright and energizing for the morning routine. The zesty aroma filled my kitchen, and I couldn't wait to taste the results. I found that using fresh blueberries and lemon zest really enhances the flavor, providing a refreshing twist that's perfect for breakfast.

What I love most about this recipe is its versatility. You can easily adjust the sweetness or add nuts for crunch. The lemon glaze on top adds a perfect finishing touch, but I also enjoy them plain for a quick snack. It's a delightful way to get some fruit into my day!

Why You'll Love These Squares

  • A perfect blend of sweet and tangy flavors
  • Easy preparation that saves time in the morning
  • Great as a snack or a fresh breakfast option
  • Beautifully vibrant colors that brighten your table

The Importance of Fresh Ingredients

Using fresh blueberries is crucial for achieving the best flavor in these breakfast squares. They provide a burst of sweetness and a juicy texture that frozen blueberries simply cannot match. When selecting blueberries, look for ones that are plump and firm, with a deep blue color. Avoid any that show signs of wrinkling or mold. Remember, the quality of your fruit will directly impact the overall taste of the dish.

Lemon zest not only adds a delightful aroma but also enhances the tangy flavor profile of the squares. When zesting, it's important to avoid the bitter white pith beneath the skin. A microplane grater works wonders for this task and allows you to easily incorporate the citrus oils. The zing from the lemon balances the sweetness of the blueberries wonderfully, making each bite a flavorful experience.

Baking Perfect Squares

Achieving a golden edge and a moist center in these breakfast squares requires careful attention to baking time and temperature. Preheated at 350°F (175°C), the squares should bake for about 25 minutes. Keep an eye on them; visual cues like a slight rise and a golden-brown top will indicate they're nearly done. A toothpick test is essential here — it should come out clean or with a few crumbs, but not wet batter, suggesting they need more time in the oven.

If you notice your squares starting to brown too quickly, you can loosely cover them with aluminum foil for the remaining baking time. This will help prevent them from drying out while allowing the center to finish cooking. Additionally, letting them cool in the pan for a few minutes before transferring to a cooling rack helps maintain their structure, preventing them from crumbling apart.

Ingredients

Gather these simple ingredients to create your breakfast squares:

For the Squares

  • 1 cup all-purpose flour
  • 1/2 cup rolled oats
  • 1/2 cup sugar
  • 1/4 cup butter, melted
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1/2 cup milk
  • 1 large egg
  • 1 cup fresh blueberries
  • Zest of 1 lemon

For the Lemon Glaze

  • 1 cup powdered sugar
  • 2 tablespoons lemon juice

Make sure to measure carefully for the best results!

Instructions

Follow these steps for a delicious breakfast treat:

Preheat the Oven

Preheat your oven to 350°F (175°C) and grease an 8x8 inch baking dish.

Mix Dry Ingredients

In a large mixing bowl, combine the flour, rolled oats, sugar, baking powder, and salt.

Add Wet Ingredients

In another bowl, whisk together the melted butter, milk, and egg. Pour into the dry ingredients and stir until just combined.

Fold in Blueberries

Gently fold in the blueberries and lemon zest until evenly distributed.

Bake

Spread the batter in the prepared baking dish and bake for 25 minutes or until a toothpick inserted in the center comes out clean.

Make the Glaze

While the squares are baking, whisk together the powdered sugar and lemon juice until smooth.

Glaze the Squares

Once the squares have cooled for a few minutes, drizzle with the lemon glaze before cutting into squares.

Enjoy your homemade Blueberry Lemon Breakfast Squares!

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Pro Tips

  • For an extra touch, serve these squares with a dollop of whipped cream or yogurt.

Make-Ahead Tips

These Blueberry Lemon Breakfast Squares are perfect for preparing ahead of time. You can bake them a day in advance and store them covered at room temperature. This not only saves time during a busy morning but allows the flavors to meld beautifully overnight. If desired, you can also prepare the batter the night before and refrigerate it, then bake it fresh in the morning for an extra treat.

If you plan to store the squares longer, they freeze remarkably well. Simply wrap individual squares in plastic wrap and then place them in an airtight container. They can be frozen for up to three months. To enjoy, simply thaw them at room temperature and drizzle with the lemon glaze just before serving for a fresh, zesty finish.

Variations and Serving Suggestions

While blueberries and lemon are a classic combo, consider adding other ingredients for a twist! Chopped nuts, such as walnuts or pecans, add crunch, while a splash of vanilla extract can enhance sweetness. Diced peaches or raspberries can also be swapped in for blueberries, keeping the recipe fresh and exciting based on seasonal fruits.

For a fun serving idea, cut these squares into bite-sized pieces and serve them at brunch with a side of yogurt or whipped cream. They also pair beautifully with a light coffee or tea, making them an excellent choice for a breakfast gathering. Feel free to experiment with the glaze as well; a splash of almond extract can add another layer of flavor that complements the lemon nicely.

Questions About Recipes

→ Can I use frozen blueberries?

Yes, frozen blueberries work well! Just make sure to add them straight from the freezer to avoid excess moisture.

→ How should I store the leftovers?

Store leftovers in an airtight container in the refrigerator for up to 3 days.

→ Can I make these squares dairy-free?

Absolutely! Substitute the milk with almond milk or any other plant-based milk and use coconut oil instead of butter.

→ What can I use instead of eggs?

You can replace the egg with a flaxseed meal or chia seed mixture (1 tablespoon mixed with 2.5 tablespoons of water) for a vegan option.

Blueberry Lemon Breakfast Squares

I love starting my day with a burst of flavor, and these Blueberry Lemon Breakfast Squares do just that! The combination of tangy lemon and sweet blueberries creates a delightful balance that’s perfect for breakfast or brunch. They are easy to make and can be prepped in advance, making busy mornings a little brighter. Topped with a light glaze, these squares are not just delicious but also visually appealing, ensuring I enjoy every bite. Trust me, you’ll be reaching for seconds!

Prep Time15 minutes
Cooking Duration25 minutes
Overall Time40 minutes

Created by: Bethany Clarke

Recipe Type: Baking & Desserts

Skill Level: Easy

Final Quantity: 12 squares

What You'll Need

For the Squares

  1. 1 cup all-purpose flour
  2. 1/2 cup rolled oats
  3. 1/2 cup sugar
  4. 1/4 cup butter, melted
  5. 1 teaspoon baking powder
  6. 1/2 teaspoon salt
  7. 1/2 cup milk
  8. 1 large egg
  9. 1 cup fresh blueberries
  10. Zest of 1 lemon

For the Lemon Glaze

  1. 1 cup powdered sugar
  2. 2 tablespoons lemon juice

How-To Steps

Step 01

Preheat your oven to 350°F (175°C) and grease an 8x8 inch baking dish.

Step 02

In a large mixing bowl, combine the flour, rolled oats, sugar, baking powder, and salt.

Step 03

In another bowl, whisk together the melted butter, milk, and egg. Pour into the dry ingredients and stir until just combined.

Step 04

Gently fold in the blueberries and lemon zest until evenly distributed.

Step 05

Spread the batter in the prepared baking dish and bake for 25 minutes or until a toothpick inserted in the center comes out clean.

Step 06

While the squares are baking, whisk together the powdered sugar and lemon juice until smooth.

Step 07

Once the squares have cooled for a few minutes, drizzle with the lemon glaze before cutting into squares.

Extra Tips

  1. For an extra touch, serve these squares with a dollop of whipped cream or yogurt.

Nutritional Breakdown (Per Serving)

  • Calories: 200 kcal
  • Total Fat: 8g
  • Saturated Fat: 5g
  • Cholesterol: 50mg
  • Sodium: 160mg
  • Total Carbohydrates: 28g
  • Dietary Fiber: 2g
  • Sugars: 12g
  • Protein: 3g