4th of July Sugar Cookie Bars

Soft 4th of July sugar cookie bars topped with creamy vanilla frosting and red white blue sprinkles Pin it
Soft 4th of July sugar cookie bars topped with creamy vanilla frosting and red white blue sprinkles | flavorandfeast.com

These soft and chewy sugar cookie bars are the perfect patriotic treat for your Fourth of July celebrations. The bars feature a tender, buttery vanilla base that's baked until golden at the edges but remains soft in the center. Once cooled, they're topped with a luscious vanilla buttercream frosting and decorated with festive red, white, and blue sprinkles. The entire batch comes together in just over an hour, including cooling time, and yields 16 generous squares that are ideal for feeding a crowd at summer barbecues, picnics, and potlucks.

The kitchen counter was covered in red, white, and blue sprinkles. My daughter had insisted on helping, and somehow those tiny stars had found their way into every corner of the room. We were hosting our first proper Fourth of July block party, and she wanted something special. These sugar cookie bars became our solution to feeding a crowd without spending all day rolling individual cookies.

That afternoon, neighbors kept drifting into the kitchen, drawn by the smell of butter and vanilla. Someone reached for a bar before I had even finished sprinkling the top. By sunset, the pan was empty and I was already being asked for the recipe.

Ingredients

  • 2 1/4 cups all purpose flour: The foundation of these bars, providing structure while keeping them tender
  • 1/2 teaspoon baking powder: Gives just the right amount of lift without making the bars too cakey
  • 1/2 teaspoon salt: Balances the sweetness and brings out the vanilla flavor
  • 3/4 cup unsalted butter, softened: Use real butter here, it makes all the difference in flavor and texture
  • 1 cup granulated sugar: Creates the classic sugar cookie taste we all love
  • 1 large egg: Binds everything together and adds richness
  • 1 large egg yolk: Extra yolk means extra tenderness and a soft, melt in your mouth texture
  • 2 teaspoons pure vanilla extract: Do not skimp here, real vanilla is non negotiable for that homemade taste
  • 1/4 teaspoon almond extract: Completely optional but it adds a lovely depth that makes people wonder what your secret is
  • 1/2 cup unsalted butter, softened: Room temperature butter is crucial for smooth, spreadable frosting
  • 2 cups powdered sugar, sifted: Sifting prevents lumps and ensures silky smooth frosting every time
  • 2 to 3 tablespoons milk: Start with 2 and add more only if needed to reach spreading consistency
  • 1 1/2 teaspoons pure vanilla extract: Infuses the frosting with that classic comforting flavor
  • Pinch of salt: Just enough to keep the frosting from tasting cloyingly sweet
  • Red, white, and blue sprinkles: The crowning glory that makes these instantly festive

Instructions

Get your oven ready:
Preheat to 350°F and line a 9x13 inch pan with parchment paper, leaving those overhangs long like little handles to help lift the bars out later
Whisk the dry team:
In a medium bowl, combine flour, baking powder, and salt until well blended
Cream the butter and sugar:
Beat them together for a solid 2 to 3 minutes until the mixture looks pale and fluffy, this step is worth the extra time
Add the eggs and extracts:
Beat in the whole egg, egg yolk, vanilla, and almond extract until everything is fully incorporated
Bring it all together:
Gradually mix in the flour mixture, stopping as soon as the last streaks of flour disappear to keep the bars tender
Spread the dough:
Press the dough evenly into your prepared pan using an offset spatula or clean hands, working to get it level
Bake to perfection:
Slide the pan into the oven for 18 to 20 minutes, watching for lightly golden edges while the center stays soft
The waiting game:
Let the bars cool completely in the pan on a wire rack, frosting warm bars is a messy mistake you only make once
Make the frosting:
Beat the butter until creamy, then gradually add powdered sugar, milk, vanilla, and salt until fluffy and spreadable
Frost and decorate:
Spread the frosting evenly over the cooled bars, then go wild with those red, white, and blue sprinkles
Lift and cut:
Use those parchment handles to lift the whole sheet out, then cut into 16 squares and watch them disappear
Patriotic sugar cookie bars spread with smooth white frosting and colorful festive sprinkles for Independence Day Pin it
Patriotic sugar cookie bars spread with smooth white frosting and colorful festive sprinkles for Independence Day | flavorandfeast.com

Years later, these bars still show up at every summer gathering. My daughter is taller now, but she still claims sprinkling duty as her job. Some traditions stick.

Making Them Your Own

I have learned that food coloring works wonders in the frosting. A few drops of red here, blue there, and suddenly you have stripes instead of just a white canvas. It takes just minutes but looks like you spent hours.

Storage Secrets

These bars actually taste better on day two. The frosting has time to meld into the cookie layer, creating this incredibly soft, almost fudgey texture. Keep them in an airtight container at room temperature and they will stay perfectly fresh for three days.

Gluten Free Friends

My neighbor has celiac and was thrilled when I showed up with a gluten free version. A simple 1 to 1 gluten free flour blend works beautifully here. Nobody could tell the difference.

  • Let your gluten free dough rest for 30 minutes before baking to prevent grittiness
  • Cover the pan loosely with foil if the edges brown too quickly
  • Always check your sprinkles label, some contain wheat-based food dyes
Delicious 4th of July sugar cookie bars with sweet buttercream frosting and scattered patriotic red white blue decoration Pin it
Delicious 4th of July sugar cookie bars with sweet buttercream frosting and scattered patriotic red white blue decoration | flavorandfeast.com

Nothing says summer quite like a pan of these bars disappearing while fireworks pop in the distance. Happy Fourth of July.

Recipe FAQs

Yes, you can bake the bars up to 2 days in advance. Store them unfrosted in an airtight container at room temperature. Add the frosting and sprinkles on the day you plan to serve them for the freshest appearance and texture.

Store frosted bars in an airtight container at room temperature for up to 3 days. If your kitchen is particularly warm, you may want to refrigerate them, but bring to room temperature before serving for the best texture and flavor.

Yes, you can substitute salted butter, but reduce the added salt in both the cookie base and frosting by half. This will prevent the final bars from becoming overly salty while maintaining the right flavor balance.

Use an offset spatula or the back of a large spoon to press the dough evenly into the pan. Alternatively, place a piece of parchment paper over the dough and use a flat-bottomed measuring cup or glass to press it down uniformly.

Absolutely! Freeze unfrosted bars wrapped tightly in plastic wrap and foil for up to 3 months. Thaw overnight at room temperature before frosting and decorating. Already frosted bars can also be frozen, though the sprinkles may bleed slightly into the frosting.

The almond extract is optional and enhances the vanilla flavor with a subtle nutty note. If you prefer or need to avoid nuts, simply omit it or replace with an additional teaspoon of vanilla extract for a pure vanilla profile.

4th of July Sugar Cookie Bars

Soft sugar cookie bars with vanilla frosting and red, white, and blue sprinkles for Independence Day celebrations.

Prep 20m
Cook 20m
Total 40m
Servings 16
Difficulty Easy

Ingredients

Cookie Bars

  • 2 1/4 cups all-purpose flour
  • 1/2 teaspoon baking powder
  • 1/2 teaspoon salt
  • 3/4 cup unsalted butter, softened
  • 1 cup granulated sugar
  • 1 large egg
  • 1 large egg yolk
  • 2 teaspoons pure vanilla extract
  • 1/4 teaspoon almond extract

Vanilla Frosting

  • 1/2 cup unsalted butter, softened
  • 2 cups powdered sugar, sifted
  • 2-3 tablespoons milk
  • 1 1/2 teaspoons pure vanilla extract
  • Pinch of salt
  • Red, white, and blue sprinkles

Instructions

1
Preheat and Prepare Pan: Preheat the oven to 350°F. Line a 9×13-inch baking pan with parchment paper, leaving overhang for easy removal.
2
Mix Dry Ingredients: In a medium bowl, whisk together flour, baking powder, and salt. Set aside.
3
Cream Butter and Sugar: In a large bowl, beat softened butter and granulated sugar until light and fluffy, about 2–3 minutes.
4
Add Wet Ingredients: Beat in the egg, egg yolk, vanilla extract, and almond extract until fully combined.
5
Combine Dough: Gradually add the flour mixture to the wet ingredients, mixing until just combined.
6
Spread Dough in Pan: Press the dough evenly into the prepared baking pan using a spatula or your fingers.
7
Bake Cookie Bars: Bake for 18–20 minutes, until edges are lightly golden but the center remains soft.
8
Cool Completely: Let the bars cool completely in the pan on a wire rack.
9
Prepare Frosting: Beat the butter until creamy. Gradually add powdered sugar, milk, vanilla, and salt, beating until fluffy and spreadable.
10
Frost and Decorate: Spread the frosting evenly over the cooled bars. Decorate with red, white, and blue sprinkles.
11
Slice and Serve: Use the parchment overhang to lift the bars out of the pan. Cut into 16 squares and serve.
Additional Information

Equipment Needed

  • 9×13-inch baking pan
  • Parchment paper
  • Mixing bowls
  • Electric mixer
  • Spatula
  • Measuring cups and spoons
  • Wire rack
  • Sifter

Nutrition (Per Serving)

Calories 270
Protein 2g
Carbs 38g
Fat 12g

Allergy Information

  • Contains wheat, gluten, dairy, and eggs. Sprinkles may contain soy or traces of nuts.
Isabella Grant

Passionate home cook sharing easy, family-friendly recipes and smart kitchen tips.