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American Flag Cake

This dessert is about as festive as they come. The cake is moist and so flavorful. The buttercream icing is the perfect match for the white cake filling. Add the fruit within 1 to 2 hours before serving.

Prep Time
30 mins
Cook Time
30 mins
Additional Time
1 hr
Total Time
2 hrs
Servings: 12
Calories: 695 kcal
Course: Dessert
Cuisine: American

Ingredients

For the Cake
  • 2¾ cups all-purpose flour plus extra for dusting the pan
  • 2½ teaspoon baking powder
  • ¾ teaspoon baking soda
  • ¾ teaspoon salt
  • 3 egg whites
  • ¾ cup unsalted butter room temperature
  • 2 cups sugar divided
  • 1 whole egg
  • 1 tablespoon vanilla extract
  • 1½ cups buttermilk
For the Icing and Decorating the Cake
  • 1½ cup unsalted butter 3 sticks, room temperature
  • 1 lb cream cheese room temperature
  • ¾ lb powdered sugar about 3 cups
  • 1 teaspoon vanilla extract
  • ½ pint blueberries fresh
  • 1 pint strawberries fresh, stemmed and sliced

Instructions

Prepare the Cake
    Cup of Yum
  1. Preheat oven to 350°F.
  2. Grease the cake pan with butter and then sprinkle flour all over it, shaking the pan to remove excess flour. Set aside.
  3. In a large bowl, sift together the flour, baking powder, baking soda, and salt. Set aside.
  4. In the bowl of a stand mixer, or, in a separate bowl, beat the egg whites with 1 cup of sugar until soft peaks form, about 4 minutes. Set aside.
  5. In the bowl of a stand mixer fitted with the paddle attachment, beat the butter with the remaining 1 cup of sugar on medium speed until light and fluffy, about 2 minutes, scraping down the sides once or twice. Mix in the whole egg and vanilla extract.
  6. Turn the mixer to medium-low and add the flour mixture in three additions, alternating with the buttermilk and beginning and ending with the flour, and beat until combined. Scrape down the sides and then beat for another 30 seconds.
  7. Use a spatula to gently fold the egg whites into the batter until fully incorporated, taking care not to over-mix and deflate the peaks.
  8. Transfer the batter to the prepared pan and bake for 30 to 35 minutes, until an inserted toothpick comes out clean. Let the pan cool for at least 10 minutes, and then invert onto a board and let cool completely before icing.
Ice and Decorate the Cake
  1. Make the icing by adding the softened butter, softened cream cheese, powdered sugar, and vanilla extract into a large bowl. Use an electric hand mixer to combine the ingredients until a smooth consistency is reached.
  2. Use an offset spatula to ice the top and sides of the cake. Place rows of blueberries in the top left corner of the cake, about a 5"x7" rectangle. Make four rows of "stripes" with the strawberries across the top of the cake. Pipe in rows of icing (with the large star tip) between the strawberry "stripes" and along the edges of the top of the cake. Use the small star tip to make 3 to 4 rows of "stars" across the top of the blueberries.

Notes

  • See the video near the top of the blog post for visual guidance. If you liked the video, please subscribe to our YouTube channel. 
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  • The cake can be made and iced (the base icing) up to 24 hours in advance of serving. If possible, cover the cake with an inverted roasting pan to keep it from drying. Add the fruit and piped icing within 1 to 2 hours before serving. 
  • Leftovers will keep covered in the fridge for up to 5 days. The fruit will spoil faster than the cake. You may need to remove the fruit if kept in the fridge for more than several days. 
  • The cake (pre-iced) can also be frozen for up to several months. Let thaw completely before icing and decorating. 

Nutrition Information

Calories 695kcal (35%) Carbohydrates 93g (31%) Protein 8g (16%) Fat 24g (37%) Saturated Fat 12g (60%) Polyunsaturated Fat 2g Monounsaturated Fat 8g Trans Fat 1g Cholesterol 116mg (39%) Sodium 388mg (16%) Potassium 308mg (9%) Fiber 2g (8%) Sugar 68g (136%) Vitamin A 1.301IU (0%) Vitamin C 25mg (28%) Calcium 129mg (13%) Iron 2mg (11%)

Nutrition Facts

Serving: 12Serving

Amount Per Serving

Calories 695

% Daily Value*

Calories 695kcal 35%
Carbohydrates 93g 31%
Protein 8g 16%
Fat 24g 37%
Saturated Fat 12g 60%
Polyunsaturated Fat 2g 12%
Monounsaturated Fat 8g 40%
Trans Fat 1g 50%
Cholesterol 116mg 39%
Sodium 388mg 16%
Potassium 308mg 7%
Fiber 2g 8%
Sugar 68g 136%
Vitamin A 1.301IU 0%
Vitamin C 25mg 28%
Calcium 129mg 13%
Iron 2mg 11%

* Percent Daily Values are based on a 2,000 calorie diet.