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A Vegan American Flag Cake in a glass dish is decorated with blueberries and sliced strawberries to resemble the flag. Red, white, and blue party supplies are nearby for a festive celebration.

Vegan American Flag Cake

You don’t need eggs, dairy, or even a hand mixer to make this light and fluffy Vegan American Flag Cake. The batter comes together easily with basic ingredients, and a quick lemon glaze adds just the right amount of brightness. Fresh berries give it that classic flag look with barely any effort, making it perfect for patriotic holidays or casual gatherings. You can make it ahead, chill it until you're ready, or freeze the undecorated cake to finish later—either way, it’s a reliable, crowd-friendly dessert.
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Prep Time: 15 minutes
Cook Time: 30 minutes
Total Time: 45 minutes
Course: Dessert
Cuisine: American
Keyword: Vegan American Flag Cake
Servings: 16
Calories: 217kcal

Ingredients

  • 1 ⅓ cups almond milk unsweetened
  • 1 tablespoon apple cider vinegar
  • cup vegetable oil
  • 1 cup sugar
  • 1 tablespoon pure vanilla extract
  • 2 ¼ cups all-purpose flour
  • 1 tablespoon baking powder
  • ½ teaspoon salt

For the Icing:

  • 2 cups powdered sugar
  • 2 tablespoons lemon juice

Toppings:

  • Strawberries
  • Blueberries

Instructions

  • Preheat your oven to 350°F (180°C) and lightly grease a 9×13-inch baking pan.
  • In a large bowl, whisk together the almond milk and apple cider vinegar. Let it sit for a few minutes until it curdles slightly. Add the vegetable oil, sugar, and vanilla extract, then whisk until the mixture is smooth and combined.
    1 ⅓ cups almond milk, 1 tablespoon apple cider vinegar, ⅓ cup vegetable oil, 1 cup sugar, 1 tablespoon pure vanilla extract
  • Stir in the flour, baking powder, and salt using a wooden spoon or spatula. Mix just until the batter is smooth—avoid overmixing to keep the cake light and fluffy.
    2 ¼ cups all-purpose flour, 1 tablespoon baking powder, ½ teaspoon salt
  • Pour the batter into the prepared pan and bake for about 30 minutes, or until the top is golden and a toothpick inserted in the center comes out clean. Allow the cake to cool completely in the pan.
  • For the icing, combine the powdered sugar and lemon juice in a bowl and stir until you get a smooth, spreadable consistency. Once the cake is cool, spread the icing evenly across the surface.
    2 cups powdered sugar, 2 tablespoons lemon juice
  • Top the cake with strawberries and blueberries to create a flag design—use blueberries in the top left corner and arrange sliced strawberries in rows to represent the stripes.
    Strawberries, Blueberries
  • Serve and enjoy your festive, plant-based treat!

Notes

  • Curdle for Lift: Let the almond milk and vinegar sit for a few minutes before adding other ingredients. This gives the batter a boost and helps the cake rise better.
  • Use Room Temperature Ingredients: Using milk and oil that aren’t straight from the fridge helps the batter mix more smoothly and evenly.
  • Bake on the Center Rack of the Oven: Place cake on the center rack so the heat distributes evenly, and you don’t get a dry edge or an undercooked center.
  • Check Early: Start checking at 28 minutes—every oven’s a little different, and this cake goes from done to dry quickly.
  • Cool Before Glazing: If the cake is warm, the glaze will melt and soak in, rather than sitting on top. Cool completely for a clean finish.
  • Boost the Glaze with Vegan Butter: Optional, but you can stir in a little vegan butter for a smoother, richer glaze that spreads more easily and adds a touch of creaminess.
  • Try Vegan Cream Cheese Frosting: If you want, swap the glaze for vegan cream cheese frosting for a tangy flavor and sturdier base to hold the berries in place.
  • Dry Your Berries: Pat strawberries and blueberries dry with a paper towel so they don’t make the glaze run or bleed color.

Nutrition

Calories: 217kcal | Carbohydrates: 41g | Protein: 2g | Fat: 5g | Saturated Fat: 1g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 1g | Trans Fat: 0.03g | Sodium: 180mg | Potassium: 23mg | Fiber: 1g | Sugar: 27g | Vitamin A: 0.1IU | Vitamin C: 1mg | Calcium: 72mg | Iron: 1mg
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