Easy Flag Cake

Photo of author
Author: Opera Cook
Published:
A rectangular flag cake with whipped topping, blueberries in the top-left corner, and rows of strawberries forming red stripes, styled with patriotic decorations for a Fourth of July celebration.

A Simple & Patriotic Dessert That’s a Hit at Every Summer Party

Celebrate America in sweet style with this Easy Flag Cake! Made with a simple sheet cake base, fluffy whipped topping, and fresh berries arranged to resemble the U.S. flag, this no-fuss dessert is as fun to decorate as it is to devour.

Why You’ll Love This Cake

  • Quick and beginner-friendly – Uses boxed cake mix or your favorite easy base

  • 🇺🇸 Festive and patriotic – Great for Fourth of July, Memorial Day, or Labor Day

  • 🍓 Fresh and fruity – Loaded with juicy strawberries and sweet blueberries

  • 🎂 Crowd-pleasing – Serves a large group with minimal effort

Ingredients

  • 1 box white or yellow cake mix (plus ingredients listed on the box)

  • 1 (8 oz) container whipped topping (like Cool Whip), thawed

  • 1 pint fresh strawberries, hulled and sliced

  • 1/2 pint fresh blueberries

  • Optional: vanilla pudding or cream cheese for added flavor in the topping

Instructions

  1. Bake the Cake

    • Preheat oven to 350°F (175°C).

    • Prepare and bake the cake mix in a 9×13-inch pan according to package directions.

    • Let the cake cool completely.

  2. Frost the Cake

    • Spread a thick, even layer of whipped topping over the cooled cake.

    • For extra flavor, fold a little vanilla pudding or softened cream cheese into the whipped topping.

  3. Decorate the Flag

    • In the top left corner, create a square of blueberries for the stars section.

    • Arrange rows of sliced strawberries to form red stripes across the rest of the cake.

    • Leave gaps of white topping between rows for the white stripes.

  4. Chill & Serve
    Refrigerate for at least 30 minutes before serving. Slice into squares and enjoy!

Tips & Variations

  • Make it ahead: Assemble and chill up to 24 hours in advance.

  • Low-sugar version: Use sugar-free cake mix and light whipped topping.

  • Want homemade cake? Use a from-scratch white cake recipe if you prefer.

  • Add sparkle: Dust with edible glitter or silver star sprinkles for extra flair.

Final Thoughts

This Easy Flag Cake is the ultimate patriotic dessert—bright, cheerful, and simple to assemble. Whether you’re celebrating with a backyard BBQ or a neighborhood potluck, this red, white, and blue beauty will earn star-spangled reviews from everyone who tries it.

Opera Cook!
Opera Cook

Welcome to my kitchen! I’m Opera Cook, a passionate home cook sharing tried-and-true comfort recipes made with love. Whether you’re craving fluffy pancakes, rustic bread, or rich chocolate desserts—you’re in the right place. Let’s bake something wonderful together!

Love This Recipe? Don't Lose It!

Subscribe now and Get your FREE Cookbook! 🎉 Delicious recipes are just one click away! 👩‍🍳🍽️”

We use your personal data for interest-based advertising, as outlined in our Privacy Notice.

You Might Also Like...

Chocolate Zucchini Bars

Chocolate Zucchini Bars

Healthy Huckleberry Smoothie (Dairy-Free Option!)

Healthy Huckleberry Smoothie (Dairy-Free Option!)

Huckleberry Cocktail (Vibrant & Refreshing)

Huckleberry Cocktail (Vibrant & Refreshing)

Huckleberry Scones (Buttery & Bursting with Berries)

Huckleberry Scones (Buttery & Bursting with Berries)

Leave a Comment