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Homemade Heart-Shaped Cake Recipe

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4 from 10 reviews

Create a charming homemade heart-shaped cake with this easy and budget-friendly recipe using just one box cake mix and simple decorating techniques. Perfect for celebrations, this cake combines two basic cake shapes to form a heart, then gets beautifully frosted and personalized with sprinkles or candles.

Ingredients

Cake Ingredients

  • 1 box cake mix (any flavor, typically includes instructions to add oil, water, and eggs)
  • Oil (quantity as per cake mix instructions)
  • Water (quantity as per cake mix instructions)
  • Eggs (quantity as per cake mix instructions)

Frosting and Decoration

  • 2 tubs pre-made frosting of choice
  • Sprinkles (optional)
  • Non-stick spray for pans

Instructions

  1. Prepare the Pans: Spray one square cake pan and one round cake pan (both about 8 inches) generously with non-stick spray to prevent sticking.
  2. Mix the Batter: Gather all cake mix ingredients as directed on the box (usually oil, water, and eggs). Mix thoroughly until the batter is smooth and free of lumps.
  3. Divide the Batter: Pour half of the batter into the square pan and the other half into the round pan. Try to keep the batter thickness similar in both pans for even baking.
  4. Bake the Cakes: Bake according to the cake mix box instructions, usually at 350°F (175°C) for 25-35 minutes or until a toothpick inserted comes out clean.
  5. Cool and Remove: Allow the cakes to cool completely in their pans before gently removing them.
  6. Shape the Heart: Cut the round cake in half evenly. Rotate the square cake so it sits as a diamond shape, then place each half of the circle cake on two adjacent sides, forming a heart shape.
  7. Position the Cake: Place the heart-shaped cake on a large serving plate, cake board, or a large tray lined with wax paper or parchment paper.
  8. Frost the Cake: Using your pre-made frosting, liberally cover the entire cake, ensuring the frosting fills gaps and connects the three shapes into a solid heart.
  9. Decorate: Add sprinkles, icing letters, birthday candles, or any other decorations you desire to personalize your cake.

Notes

  • Use pans of the same size (about 8 inches) to ensure the pieces fit together nicely.
  • Be sure the cakes are fully cooled before assembling to avoid melting the frosting.
  • You can use any flavor of cake mix and frosting to customize the cake.
  • If you do not have a cake board or serving plate, wax or parchment paper works well for easy transfer and cleanup.
  • This method works well for different celebrations including birthdays and anniversaries.