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Straightforward recipe for flag cake

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You need to celebrate the 4th of July with this festive, fresh and delicious flag cake! It’s so simple and easy, yet it’s easily the star of the show!

I love when my food matches the decor of any party! If you’re hosting a red, white, and blue get together, then you have to try these Fireworks Bundt Cake, Berry Cheesecake Salad, and delicious cupcakes!

Top view of a rectangular cake topped with strawberries, whipped cream, and blueberries makes it look like an American flag.

What is a flag cake?

Well, this answer will be easy! It’s a cake that looks like a flag. That’s it! I used delicious and fresh blueberries and strawberries to create the color on top. And then you mix that with whipped cream and put it all on a white cake. Then you have a festive and delicious dessert!

I love the 4th of July because it’s family, fireworks and FOOD. And in my world, I love customizing my food for the occasion, so making this flag cake for the 4th of July this year is a breeze! Plus, this particular recipe uses white cake box mix, making it even easier! Impress your guests with this beautiful cake. It will definitely be the first thing eaten!

Ingredients in the flag cake

Using a box cake and making everything fancy is the best way to make a dessert! It doesn’t get much easier than that. This recipe uses only a few ingredients. You can find the exact measurements on the recipe card at the end of the post.

  • White Cake Mix: You will probably need some eggs and oil. Just go ahead and prepare this according to the package directions.
  • whipped cream: I usually get my cool whip ahead of time and just store it in my fridge so it’s thawed and ready to use.
  • blueberries: Not only do fresh blueberries bring a delicious taste, but they also bring that deep navy blue color that is so important for the 4th of July!
  • strawberries: These look so beautiful and they are slices and all lined up like the stripes on the flag cake.
  • powdered sugar: Take this cake beyond that by dusting it with some powdered sugar! It’s those finishing touches that make it look extra chic!

How to make a flag cake

If you’re looking for an easy and delicious 4th of July holiday cake, look no further! This one is ready in no time and will have everyone asking for seconds!

  1. Bake the cake: Bake the white cake according to the package directions and transfer the batter to a 9×13 pan. It’s ready when you stick a toothpick in the cake and it comes out clean! After you take it out of the oven, let it cool completely to room temperature.
  2. Add whipped cream: Cover with half of the container of thawed whipped cream.
  3. Line up the blueberries: In the upper left corner, use the blueberries to create the star section of the flag.
  4. Make the strips: Use the strawberries to draw five red stripes across the rest of the cake, starting at the top and ending at the bottom.
  5. Pipe: Using a piping bag, pipe four white stripes from the remaining whipped cream into the gaps between the rows of strawberries.
  6. Surcharge: Serve immediately.

4 pictures show close up how to decorate the cake.


If blueberries or strawberries aren’t your thing, go ahead and swap this flag cake! My kids love it when I use raspberries instead of strawberries. Or blackberries instead of blueberries. You can also change the cake to celebrate with different flags! This is such an easy way to add some celebration to any celebration you need it for!

The top view of a flag cake.

Can I make it early?

Yes! Who wants to bake on the actual holiday? This flag cake can be made up to a day ahead of time. Place the whipped topping or fruit just before serving.

A side view of a slice of cake being served with a silver cake server.

How to store leftovers

This flag cake makes delicious leftovers! That is, if you’re lucky enough to have some! Here’s how to store it so you can enjoy it for a few more days after you’ve made it!

  • In the refrigerator: You can store any leftovers in the fridge. Store in an airtight container and it will last for about 3 days!
  • In the freezer: If you want to freeze this for later, you absolutely can! then bake the cake and add the whipped toppings (just not the fruit). You can store it for about 4 months. Let it thaw in your fridge, then add the fruit toppings just before you eat it!

A piece of cake on a plate with a fork.

If you’re looking for a few more ideas to celebrate the 4th of July, then look no further! I’ve rounded up a few more recipes that are so festive and delicious. Make one or make them all, either way, your guests will think they look and taste amazing!

  • Bake the white cake in a 9×13 pan according to package directions. Leave to cool completely.

  • Cover with half of the container of thawed whipped cream.

  • In the top left corner, use the blueberries to create the star section of the flag.

  • Use the strawberries to draw 5 red stripes across the rest of the cake, starting at the top and ending at the bottom.

  • Use the remaining whipped cream to pipe four white stripes into the gaps between the strawberry stripes.

  • Serve immediately.

serves: 12

calories228kcal (11%)carbohydrates47G (16%)protein3G (6%)Fat4G (6%)Saturated Fatty Acids2G (10%)Polyunsaturated fat0.3GMonounsaturated fatty acids1Gtrans fat0.2Gcholesterol6mg (2%)sodium328mg (14%)potassium107mg (3%)fiber1G (4%)sugar26G (29%)Vitamin A73ie (1%)vitamin C14mg (17%)calcium142mg (14%)iron1mg (6%)

All nutritional information is based on third party calculations and is an estimate only. Each recipe and nutritional value will vary per household based on the brands you use, measurement methods, and serving sizes.

course dessert

kitchen American

keyword flag cake

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