Ingredients
3 cups All-purpose flour
2 cups Granulated sugar
1 tbsp Baking powder
1/2 tsp Salt
1 cup Unsalted butter
4 Large eggs
1 cup Whole milk
2 tsp Vanilla extract
2 cups Unsalted butter
8 cups Powdered sugar
1/4 – 1/2 cup Heavy cream or milk
2 tsp Vanilla extract
Pinch Salt, optional
Blue Gel food coloring
1/2 cup White candy melts or white chocolate
Edible glitter or sprinkles, optional
1/2 cup Graham crackers or brown sugar
Instructions
- Prepare Your Pans: Preheat your oven to 350°F (175°C). Grease and flour two 8-inch heart-shaped cake pans. You can also line the bottoms with parchment paper for easy release
- Mix Dry Ingredients: In a large bowl, whisk together the sifted all-purpose flour, granulated sugar, baking powder, and salt. Set this aside
- Cream Butter and Sugar: In a separate, larger bowl, using an electric mixer, cream the softened unsalted butter until light and fluffy. Gradually beat in the sugar, continuing to cream for about 3-5 minutes until the mixture becomes pale and airy
- Add Eggs: Add the large eggs one at a time, beating well after each addition. Scrape down the sides of the bowl as needed. The mixture might look curdled, but it will come together
- Alternate Wet and Dry: Gradually add the dry ingredients to the butter mixture, alternating with the room temperature whole milk, beginning and ending with the dry ingredients. Mix on low speed until just combined. Do not overmix. Finally, stir in the vanilla extract
- Bake the Cakes: Divide the batter evenly between the prepared heart-shaped pans. Smooth the tops with a spatula. Bake for 30-35 minutes, or until a wooden skewer inserted into the center comes out clea
- Cool: Let the cakes cool in their pans on a wire rack for 10-15 minutes before inverting them onto the rack to cool completely
- Make the Buttercream: While the cakes cool, prepare your buttercream. In a large bowl, cream the softened butter until smooth. Gradually add the sifted powdered sugar, alternating with the heavy cream or milk, a little at a time, until you achieve a smooth, spreadable consistency. Beat in the vanilla extract and a pinch of salt if using
- Divide and Color Frosting: Divide your buttercream into 3-4 bowls. Leave one portion white for the "foam" and shells. Color the remaining portions with varying shades of blue gel food coloring – one light blue, one medium blue, and one royal blue
- Assemble the Cake: Once cakes are completely cool, level them if necessary with a serrated knife. Place one cake layer on your serving plate. Spread a layer of white or light blue buttercream over the top. Place the second cake layer on top
- Crumb Coat: Apply a thin layer of any color buttercream all over the cake – sides and top. Chill the cake in the refrigerator for 20-30 minutes until the crumb coat is firm
- Final Frosting: Apply the different shades of blue buttercream in horizontal bands around the sides of the cake, starting with the darkest blue at the bottom and gradually lightening towards the top. Use an offset spatula or bench scraper to gently blend the colors horizontally, creating a beautiful gradient ocean effect
- Decorate: For the waves, use a small offset spatula or the back of a spoon to create texture on the blue frosting, mimicking ripples. Pipe white buttercream "foam" on top of the waves. Melt white candy melts and pipe them into small seashell molds. Let them set, then carefully remove and arrange them on the cake. Crush graham crackers or sprinkle brown sugar around the base for a "sandy beach" effect. Add edible glitter for sparkle. Your magnificent Heart Shaped Ocean Cake is now complete!
Notes
Ensure all cake ingredients (butter, eggs, milk) are at room temperature for a smooth, emulsified batter and a lighter, evenly baked cake.
Avoid overmixing the cake batter to prevent gluten development, which can lead to a tough, dry cake.
For the buttercream, use good quality, perfectly softened butter. Adjust consistency with more heavy cream if too stiff, or more sifted powdered sugar if too thin.
Always use gel food coloring for vibrant, deep colors without thinning your frosting. Start with a small amount and gradually add more to reach your desired shades of blue.
Do not rush the cooling process; fully cooled cakes prevent frosting from melting. A firm crumb coat is essential for a clean, professional finish.
For a gluten-free version, substitute all-purpose flour with a 1:1 gluten-free baking blend containing xanthan gum.
For a dairy-free version, use plant-based butter sticks and unsweetened almond or oat milk for both cake and buttercream.
Consider adding 2 tablespoons of lemon zest and 1/4 cup of lemon juice to the cake batter for a lemon flavor, or a hint of coconut extract to the buttercream for a tropical twist.
If heart-shaped pans are unavailable, you can bake two 8-inch round cakes and cut them into a heart shape using a template, or bake one 8-inch square cake and two 8-inch round cakes cut in half to form a heart.
Cake layers can be baked up to two days in advance and stored, wrapped tightly, at room temperature. Buttercream can also be made a day or two ahead and re-whipped before use.
Thoroughly grease and flour pans, or use parchment paper at the bottom, to prevent sticking.
- Prep Time: 1 hour 30 mins
- Cook Time: 35 mins
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 475 kcal
- Sugar: 50 g
- Sodium: 225 mg
- Fat: 22.5 g
- Saturated Fat: 13.5 g
- Unsaturated Fat: 9 g
- Trans Fat: 0.1 g
- Carbohydrates: 65 g
- Fiber: 1.5 g
- Protein: 4.5 g
- Cholesterol: 85 mg