There’s something magical about a cake that not only tastes wonderful but also looks like a celebration on a plate. The Flag Cake is one of those delightful desserts that brings back memories of summer picnics, family gatherings, and festive occasions. With its vibrant layers of fresh fruit and creamy frosting, this cake is as easy to make as it is beautiful to behold. Whether you’re celebrating Independence Day, a birthday, or just want to treat yourself and your loved ones, this recipe is a must-try!
Why You’ll Love Flag Cake Recipe
- Fast
- Easy
- Giftable
- Crowd-pleasing
Ingredients
Here’s what you’ll need to whip up your own Flag Cake:
- 2 cups all-purpose flour – This forms the base of your cake.
- 1 ½ cups granulated sugar – For that perfect sweetness.
- ½ cup unsalted butter, softened – Adds richness to the cake.
- 1 cup whole milk – For moisture and tenderness.
- 3 ½ teaspoons baking powder – Helps the cake rise beautifully.
- 1 teaspoon vanilla extract – A must for flavor!
- ½ teaspoon salt – Balances the sweetness.
- 4 large eggs – For structure and richness.
For the frosting and decoration, you’ll need:
- 1 cup unsalted butter, softened – For a creamy frosting.
- 4 cups powdered sugar – Sweet and fluffy frosting.
- 1 teaspoon vanilla extract – More flavor!
- 2-4 tablespoons heavy cream or milk – For the right consistency.
- 1 cup blueberries – For the blue section of the flag.
- 3 cups strawberries, sliced – For the red stripes.
- 1 cup raspberries (optional) – For extra decoration.
How to Make Flag Cake Recipe
Ready to get started? Follow these simple steps!
Step 1: Prepare the Cake
- Preheat your oven to 350°F (175°C).
- Grease and flour a 9×13-inch baking pan.
- In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy.
- Add the eggs one at a time, beating well after each addition.
- Stir in the vanilla extract.
- In a separate bowl, whisk together the flour, baking powder, and salt.
- Gradually add the dry ingredients to the wet mixture, alternating with the milk. Mix until just combined.
- Pour the batter into the prepared baking pan and smooth the top.
- Bake for 30-35 minutes, or until a toothpick inserted into the center comes out clean.
- Allow the cake to cool completely in the pan on a wire rack.
Step 2: Prepare the Frosting
- In a large mixing bowl, beat the softened butter until creamy.
- Gradually add the powdered sugar and mix until combined.
- Add the vanilla extract and 2 tablespoons of heavy cream or milk. Beat until smooth and fluffy. Add more cream if needed for desired consistency.
Step 3: Assemble the Cake
- Once the cake is completely cool, spread a generous layer of frosting over the top.
- Arrange the blueberries in the top left corner to create the blue section of the flag.
- Create stripes with the sliced strawberries across the top, leaving space for the blueberries.
- If using raspberries, fill in any gaps or decorate around the edges.
Step 4: Serve
- Slice into squares and serve at your celebration. Enjoy your delicious flag cake!
Substitutions & Additions
If you want to switch things up, here are some fun ideas:
- Use a different type of fruit like blackberries or kiwi for a twist.
- Try adding lemon zest to the cake batter for a refreshing flavor.
- For a chocolate version, substitute some of the flour for cocoa powder.
Tips for Success
Here are a few tips to ensure your Flag Cake turns out perfectly:
- Make sure your ingredients are at room temperature for better mixing.
- Don’t overmix the batter; mix just until combined to keep the cake light.
- Let the cake cool completely before frosting to prevent melting.
How to Store Flag Cake Recipe
To keep your Flag Cake fresh:
- Store it in the refrigerator in an airtight container for up to 5 days.
- For longer storage, you can freeze the unfrosted cake for up to 3 months. Just wrap it well!
FAQs
Can I make this cake gluten-free? Yes, you can substitute all-purpose flour with a gluten-free blend.
What if I don’t have heavy cream? You can use milk instead; just ensure the frosting is still smooth and spreadable.
Can I make this cake ahead of time? Absolutely! You can bake the cake a day in advance and frost it the day of serving.
Now that you have this delightful Flag Cake recipe, I hope you feel inspired to bake and share it with your friends and family. It’s a perfect way to celebrate any occasion! For more delicious recipes, check out the Irresistible Amish Peanut Butter Cream Pie or the Delicious Twix Cookie Cups for treats you will love!
Don’t forget to follow us on Pinterest for more tasty ideas and inspiration!

Flag Cake
Ingredients
Equipment
Method
- Step 1: Preheat your oven to 350°F (175°C). Grease and flour a 9x13-inch baking pan. In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy. Add the eggs one at a time, beating well after each addition. Stir in the vanilla extract. In a separate bowl, whisk together the flour, baking powder, and salt. Gradually add the dry ingredients to the wet mixture, alternating with the milk. Mix until just combined. Pour the batter into the prepared baking pan and smooth the top. Bake for 30-35 minutes, or until a toothpick inserted into the center comes out clean. Allow the cake to cool completely in the pan on a wire rack.
- Step 2: In a large mixing bowl, beat the softened butter until creamy. Gradually add the powdered sugar and mix until combined. Add the vanilla extract and 2 tablespoons of heavy cream or milk. Beat until smooth and fluffy. Add more cream if needed for desired consistency.
- Step 3: Once the cake is completely cool, spread a generous layer of frosting over the top. Arrange the blueberries in the top left corner to create the blue section of the flag. Create stripes with the sliced strawberries across the top, leaving space for the blueberries. If using raspberries, fill in any gaps or decorate around the edges.
- Step 4: Slice into squares and serve at your celebration. Enjoy your delicious flag cake!
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