Flag Cake #SundaySupper

Flag Cake

I’ve never had a picnic. It’s something I’d like to try once, but I have mixed feelings over it. On one hand, it sounds so romantic. The perfect, sunny day with just a bit of a breeze. A big blanket and an expertly packed basket full of an array of food and all the necessary utensils. The people I love surrounding me. Perhaps a lake in the distance. A butterfly floating by us, as we sit comfortably on our blanket.

But then there’s what I fear is reality. A stray shower that pops out of nowhere, accompanied by gusty winds. A tattered blanket that’s not nearly big enough to protect me from the dirt and grass below. Not so tasty food on paper plates with plastic utensils. And the bugs. Oh the bugs. Bees, flies, the stereotypical ants, parading off with our food. Our bodies aching from sitting on the hard ground.

Flag Cake

Flag Cake

Maybe an indoor picnic would be more my speed! Air conditioning, no bugs (hopefully), a refrigerator and pantry steps away. Yeah, indoor picnic it is.

Regardless of it you want an indoor or outdoor picnic, you have to make this Flag Cake. Really, you have to! It’s one of the best things I’ve made in a long while. In fact I ate it two nights in a row – I honestly can’t remember the last time I did that. It’s a vanilla bean butter cake topped with vanilla bean frosting. Then to make the flag part of the cake, I used blueberries and on Mom’s genius suggestion Swedish Fish. The fish look so cute on the cake and both the fish and the berries add a pop of flavor. Your Fourth of July party needs this cake!

Flag Cake

Flag Cake

Flag Cake #SundaySupper

Prep Time: 30 minutes

Cook Time: 50 minutes

Total Time: 1 hour, 20 minutes

Yield: 24 servings



2 sticks unsalted butter, room temperature

2 cups granulated sugar

4 large eggs

1 tablespoon vanilla bean paste

3 2/3 cups all-purpose flour

1/3 cup cornstarch

2 teaspoons baking powder

1 teaspoon baking soda

½ teaspoon kosher salt

2 cups almond milk


8 ounces cream cheese

1 stick unsalted butter, room temperature

1 tablespoon vanilla bean paste

3 – 3 ½ cups confectioners’ sugar

1 cup blueberries

50 or more Swedish Fish


Make the cake. Preheat oven to 350 degrees F. Butter a 9 by 13 inch pan and line the bottom only with parchment. Butter the parchment.

In a medium bowl, stir together flour, cornstarch, baking powder, baking soda, and salt.

In a large bowl, cream butter and sugar until light and fluffy. I did this by hand, but a hand or stand mixer will work as well. Beat in the eggs one at a time, followed by the vanilla bean paste. Alternately add flour mixture and almond milk, beginning and ending with the flour mixture. I did three installments of flour and two of milk.

Pour batter into prepared pan, smooth into an even layer and bake 40-50 minutes, rotating halfway through, until golden brown and a toothpick inserted in the center comes out with only a few moist crumbs. Cool completely in pan.

Make the frosting. Beat cream cheese and butter using a hand or stand mixer until light and fluffy. Beat in the vanilla bean paste, followed by the confectioners’ sugar, added one cup at a time. After 3 cups are added, taste the frosting to see if it is sweet enough. Spread frosting over cooled cake.

Use blueberries to create a large square/rectangle in the upper left corner of the cake. Use the Swedish Fish to create the stripes in the flag. Make the blueberry area as large as you like, and make as many stripes as thick as you like. The flag is your creation! Cover cake tightly with plastic wrap and refrigerate for up to three days.


Recipe adapted from Smitten Kitchen

Additional cooling time is necessary


Don’t forget to check out all the other Sunday Supper dishes!






Sandwiches and Wraps


Sunday Supper MovementJoin the #SundaySupper conversation on twitter on Sunday! We tweet throughout the day and share recipes from all over the world. Our weekly chat starts at 7:00 pm ET.  Follow the #SundaySupper hashtag and remember to include it in your tweets to join in the chat. Check out our #SundaySupper Pinterest board for more fabulous recipes and food photos.

Would you like to join the Sunday Supper Movement? It’s easy. You can sign up by clicking here: Sunday Supper Movement.

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  1. My wife would be all over this cake! She LOVES swedish fish!!!

  2. Jessica says:

    Aria and I had tons of indoor picnics over the winter – super fun! The reality of outdoor picnics
    Is pretty much what you described, sorry 🙁 Loooove the fish, they are an incredibly cute touch.

  3. What a beautiful and fun cake! Perfect for the 4th of July!

  4. What a great cake, Laura! I would never have thought to use the Swedish fish for the stripes. Now you just have to stop folks from stealing them off the cake before it’s cut. 🙂

  5. You are so right. Indoors or out this cake will be the hit of any Fourth of July party.

  6. So cute for a 4th of July picnic celebration, love it!!

  7. Now this is a 4th of July dessert that everyone would love!!! Perfect!

  8. Oh, I want a big piece with swedish fish! Yum!

  9. Such and adorable cake for the 4th of July!

  10. Brilliant idea to use the Swedish fish, Laura. Your mom is smart! And you made me smile…about the bugs and the realities of an outdoor picnic…Some of us I guess are destined for the comforts of a/c et al =)

  11. Τhe picnic is overvalued, I agree with you about the bugs, the hard ground…
    Great cake, Laura, for the 4th of July! Love the idea of swedish fish!

  12. I LOVEEEE the idea to use Swedish Fish for the stripes, how creative! And delicious too of course!

  13. One other thing to consider when planning an outdoor picnic is what you do when nature calls. LOL

    Either outdoors or indoors, I’d love to have this cake during it.

  14. Such a beautiful cake! And I bet it tastes great too! Thanks for sharing.

  15. I love that you used swedish fish!
    I LOVE those!
    And I never buy them because I eat them all in one sitting, I love them that much.

  16. What a great idea to use the Swedish Fish! Love it!

  17. What an adorable flag cake!

  18. Very festive!

  19. Aww this is so cute. Love the use of the fish! 🙂


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