This Better Together Chocolate & Vanilla Birthday Cake brings together the best of both worlds in one gorgeous, flavor-packed dessert. Layers of moist chocolate and vanilla cake are stacked and frosted with a rich, creamy topping that feels indulgent but is made with smarter ingredients. It’s the perfect centerpiece for birthdays, celebrations, or when you just want a slice of something special—without the overload.
Why You’ll Love This Recipe
Double the Flavor: Chocolate and vanilla layers for the ultimate cake combo.
Light Yet Satisfying: Made with low-fat dairy, light flour options, and less sugar.
Celebration-Ready: Ideal for birthdays, holidays, or any special occasion.
Customizable: Easy to adapt with your favorite frostings, fillings, or toppings.
Ingredients
For the Chocolate Cake Layer
- 1 cup whole wheat pastry flour
- 1/3 cup unsweetened cocoa powder
- 1/2 tsp baking soda
- 1/4 tsp salt
- 1/2 cup unsweetened applesauce
- 1/2 cup low-fat buttermilk
- 1/3 cup sugar substitute (or coconut sugar)
- 1 egg
- 1 tsp vanilla extract
For the Vanilla Cake Layer
- 1 cup whole wheat pastry flour
- 1/2 tsp baking powder
- 1/4 tsp baking soda
- 1/4 tsp salt
- 1/2 cup low-fat Greek yogurt
- 1/3 cup sugar substitute
- 1 egg
- 1/4 cup unsweetened almond milk (or low-fat milk)
- 1 tsp vanilla extract
For the Frosting
- 1 1/2 cups light whipped topping
- 1/4 cup reduced-fat cream cheese, softened
- 2 tbsp powdered sugar substitute
- 1/2 tsp vanilla extract
Optional Toppings
- Rainbow sprinkles
- Mini chocolate chips
- Shaved dark chocolate
Instructions
Make the Chocolate Cake Layer
- Preheat oven to 350°F (175°C). Lightly spray or line two 8-inch round cake pans.
- In a bowl, whisk together flour, cocoa powder, baking soda, and salt.
- In another bowl, mix applesauce, buttermilk, sugar substitute, egg, and vanilla.
- Combine wet and dry ingredients, mix until smooth. Pour into one of the prepared pans.
Make the Vanilla Cake Layer
- In a clean bowl, whisk flour, baking powder, baking soda, and salt.
- In another bowl, whisk yogurt, sugar substitute, egg, almond milk, and vanilla.
- Stir the wet mixture into the dry until fully incorporated. Pour into the second cake pan.
Bake
- Bake both cakes at 350°F for 20–25 minutes or until a toothpick inserted in the center comes out clean.
- Allow to cool in pans for 10 minutes, then transfer to a wire rack to cool completely.
Prepare the Frosting
- In a bowl, beat softened cream cheese with powdered sugar substitute and vanilla until smooth.
- Fold in whipped topping until fully combined and fluffy.
Assemble the Cake
- Place the vanilla cake layer on a serving plate. Spread a layer of frosting on top.
- Add the chocolate layer and frost the entire cake with remaining frosting.
- Decorate with optional sprinkles, chocolate chips, or your favorite toppings.

Nutritional Information (Per Slice, Approximate)
Calories: 180 | Carbs: 22g | Fat: 6g | Protein: 5g | Fiber: 3g | Sugar: 8g
Tips for Success
- Cool Completely Before Frosting: Let both cake layers cool fully to avoid melting the frosting.
- Even Layers: Level off any domed tops for smooth stacking.
- Refrigerate Before Serving: Chilling for 30 minutes after assembling helps the cake set nicely.
- Customize the Layers: Add fruit slices, sugar-free jam, or a chocolate drizzle for variety.
Why This Recipe Works
- Classic Flavors, Balanced Nutrition: With lightened ingredients, this cake delivers indulgent flavor and texture without going overboard.
- Visually Stunning: Contrasting layers make for a gorgeous presentation.
- Perfect for Parties: Feeds a crowd and impresses both kids and adults.
- Make-Ahead Friendly: Can be baked and assembled a day in advance for convenience.
This Better Together Chocolate & Vanilla Birthday Cake proves that celebration desserts don’t need to be heavy to be delicious. With its tender layers, creamy frosting, and festive vibe, it’s the ideal guilt-free way to enjoy cake and eat it too—perfect for birthdays, holidays, or any time you’re in the mood to celebrate.
Better Together Chocolate & Vanilla Birthday Cake – A Lightened-Up Celebration Classic
12
servings25
minutes25
minutes180
kcal1
hourThis Better Together Chocolate & Vanilla Birthday Cake brings together the best of both worlds in one gorgeous, flavor-packed dessert. Layers of moist chocolate and vanilla cake are stacked and frosted with a rich, creamy topping that feels indulgent but is made with smarter ingredients. It’s the perfect centerpiece for birthdays, celebrations, or when you just want a slice of something special—without the overload.
Ingredients
For the Chocolate Cake Layer
1 cup whole wheat pastry flour
1/3 cup unsweetened cocoa powder
1/2 tsp baking soda
1/4 tsp salt
1/2 cup unsweetened applesauce
1/2 cup low-fat buttermilk
1/3 cup sugar substitute (or coconut sugar)
1 egg
1 tsp vanilla extract
For the Vanilla Cake Layer
1 cup whole wheat pastry flour
1/2 tsp baking powder
1/4 tsp baking soda
1/4 tsp salt
1/2 cup low-fat Greek yogurt
1/3 cup sugar substitute
1 egg
1/4 cup unsweetened almond milk (or low-fat milk)
1 tsp vanilla extract
For the Frosting
1 1/2 cups light whipped topping
1/4 cup reduced-fat cream cheese, softened
2 tbsp powdered sugar substitute
1/2 tsp vanilla extract
Optional Toppings
Rainbow sprinkles
Mini chocolate chips
Shaved dark chocolate
Instructions
- Make the Chocolate Cake Layer
Preheat oven to 350°F (175°C). Lightly spray or line two 8-inch round cake pans.
In a bowl, whisk together flour, cocoa powder, baking soda, and salt.
In another bowl, mix applesauce, buttermilk, sugar substitute, egg, and vanilla.
Combine wet and dry ingredients, mix until smooth. Pour into one of the prepared pans. - Make the Vanilla Cake Layer
In a clean bowl, whisk flour, baking powder, baking soda, and salt.
In another bowl, whisk yogurt, sugar substitute, egg, almond milk, and vanilla.
Stir the wet mixture into the dry until fully incorporated. Pour into the second cake pan. - Bake
Bake both cakes at 350°F for 20–25 minutes or until a toothpick inserted in the center comes out clean.
Allow to cool in pans for 10 minutes, then transfer to a wire rack to cool completely. - Prepare the Frosting
In a bowl, beat softened cream cheese with powdered sugar substitute and vanilla until smooth.
Fold in whipped topping until fully combined and fluffy. - Assemble the Cake
Place the vanilla cake layer on a serving plate. Spread a layer of frosting on top.
Add the chocolate layer and frost the entire cake with remaining frosting.
Decorate with optional sprinkles, chocolate chips, or your favorite toppings.
Notes
- Cool Completely Before Frosting: Let both cake layers cool fully to avoid melting the frosting.
Even Layers: Level off any domed tops for smooth stacking.
Refrigerate Before Serving: Chilling for 30 minutes after assembling helps the cake set nicely.
Customize the Layers: Add fruit slices, sugar-free jam, or a chocolate drizzle for variety.