It’s easy to pretend like Valentine’s Day isn’t the best holiday ever. It’s the Hallmark Holiday. We get it. But I promise you one thing…if someone gave you this Valentine’s Day Cake? We’re thinking you’d give V-day a good old second chance. Plus it’s super easy to make using boxed mix and pre-made frosting. And the result is the very definition of a smile.

You want to bake your cake according to the boxes instructions, then let them cool completely either in the pans or on a wire rack. You will have 2 rounds and 2 squares (see complete details for sizing in recipe card below). After they have cooled, trim the tops of your cakes off so that you have a flat even layer. You can do this on all of your cakes or on just 1 round + 1 square. If you want a rounded top, just trim one set. We leveled all of ours.

When you are ready to assemble, lay parchment paper out on a large surface area. Turn out your square cake and set it so that one of the points faces the top in a diamond shape. Cut your round cake in half and turn out onto your parchment paper. Arrange each half so that it hugs one side of your square forming a heart shape.

If need be, trim off any excess cake so that the edges all line up. I’m sure I could do the math on this and figure out how not to have any excess but I was way too excited to make my heart cake so I just trimmed off my imperfections. If you want, you can place a thin layer of frosting in between the edges of your round cakes and your square so that the each side “sticks” together.

Scoop a large amount of frosting onto your first layer and spread evenly, allowing some of the frosting to push over the sides a bit.

Top your bottom pieces with identical top pieces, trying to line up as best you can!

Repeat the frosting process. Spread frosting as evenly as you can using as much as you need to completely coat the entire heart and the sides. This is a LARGE cake so it will definitely take you some time.

Voila! You can stop here – super adorable. Or you can gussy up the top a bit with powdered sugar, with fruit or with our other favorite…sprinkles. Because sprinkles sort of make everything cuter.

If you’d like to add a “LOVE” note to the top, cut out the words LOVE into parchment paper. Fill a sifter with powdered sugar. Gently lay your paper over your cake without pressing down and sift your powdered sugar on top. Have a friend help you quickly lift the paper off.

Chocolate Heart Shaped CakeA basic boxed cake mix is used to make a large heart shaped two level cake.
prep time
10 Minute/s
cook time
1 Hour/s
total time
1 Hour/s 10 Minute/s
Serves 12Ingredients
  • 2 White or Yellow Cake Mixes (boxed) + ingredients
  • 2 Containers Frosting
  • Powdered Sugar
  • Parchment Paper
  • 2 9" round pan
  • 2 9" square pan
Instructions
  1. Mix your cake according to the box instructions. Grease your pans. Pour 1/4 of the batter into each of the round pans, 1/4 into each of the in the square pans. You should have an even amount of cake batter in each pan.
  2. Bake for the amount of time specified on the box. Let cool completely in pans.
  3. When ready to assemble, lay parchment paper out on a large surface area. Turn out your square cake and set it so that one of the points faces the top in a diamond shape. Cut your round cake in half and turn out onto your parchment paper (or holding a paper towel into your hand). Arrange each half so that it hugs one side of your square forming a heart shape.
  4. Trim off any excess cake so that the edges all line up.
  5. Place a thin layer of frosting in between the edges of your round cakes and your square so that the each side "sticks" together.
  6. Scoop a large amount of frosting onto your first layer and spread evenly, allowing some of the frosting to push over the sides a bit.
  7. Top your bottom pieces with identical top pieces and repeat the process. Spread frosting as evenly as you can using as much as you need to completely coat the entire heart and the sides. This is a LARGE cake so it will definitely take you some time and lots of frosting. We used the full 2 containers.
  8. If you'd like to add a "LOVE" note to the top, cut out the words LOVE into parchment paper. Fill a sifter with powdered sugar. Gently lay your paper over your cake without pressing down and sift your powdered sugar on top. Have a friend help you quickly lift the paper off.
  9. NOTE: Using parchment paper won't provide a perfect, flaw free topper. If you want your letters to be super crisp, you need to use a plastic stencil instead.