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No Sugar Added Smash Cake (For Baby’s First Birthday!)

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This naturally sweetened smash cake is perfect for your baby's first birthday. Made with ripe bananas and wholesome ingredients, it has a tender, delicate crumb and a tangy cream cheese-yogurt frosting—no refined sugar needed! The cake is soft and easy to smash, ensuring a fun, photo-worthy treat for your little one's big day.
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Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings: 8 slices
Course: Dessert, First Birthday
Cuisine: American
Calories: 150
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Cake
  • 2 large very ripe bananas about 1 cup mashed
  • 2 large eggs
  • 2 tbsp unsweetened applesauce
  • 2 tbsp melted coconut oil can use butter or avocado oil
  • 1 tsp vanilla extract
  • 1 3/4 cups finely blanched almond flour
  • 2 tbsp arrowroot starch
  • 1 tsp baking powder
  • 1/2 tsp baking soda
  • 1 tsp ground cinnamon
  • 1/4 tsp salt omit if avoiding salt
For the Frosting
  • 1/4 cup cream cheese
  • 3/4 cup plain greek yogurt
  • 1/2 tsp vanilla extract can use vanilla bean paste or vanilla beans

Equipment

  • 6-inch cake pan
  • Large mixing bowl
  • Parchment paper
  • Whisk
  • Stand mixer
  • Wire rack
  • Spatula

Method
 

Bake the Cake
  1. Set your oven to 350°F (175°C). Lightly grease a 6-inch cake pan and line the bottom with parchment paper. For a layered cake, divide the batter between two pans.
  2. Mash the bananas in a large bowl until mostly smooth.
  3. Add eggs, applesauce, melted coconut oil, and vanilla extract to the mashed bananas. Whisk until everything is well blended.
  4. Mix in the almond flour, arrowroot starch, baking powder, baking soda, cinnamon, and salt. Stir just until the mixture comes together; don't overmix.
  5. Pour the batter into the prepared cake pan and smooth out the top.
  6. Bake for 28–32 minutes. Check that the center is just set and a toothpick or skewer comes out mostly clean.
  7. Let the cake cool in the pan for 20 minutes. Then, move it to a wire rack and allow it to cool completely before adding frosting.
Prepare the Frosting & Assemble
  1. Place the cream cheese in a stand mixer and beat on high for 30 seconds.
  2. Add the Greek yogurt and vanilla extract to the bowl. Whip everything together until smooth and fully combined.
  3. Frost the cooled cake as desired and serve right away.

Nutrition

Calories: 150kcal

Notes

For best results, use very ripe bananas covered in brown spots to maximize natural sweetness. Cool the cake completely before frosting so the topping stays firm. The cake can be baked up to two days in advance, then wrapped and refrigerated; frost just before serving for the freshest taste. Store frosted cake in an airtight container in the fridge for up to three days. Dairy-free frosting is possible with dairy-free cream cheese and coconut yogurt, though texture may be slightly thinner. This cake is mildly sweet and perfect for babies; adults who enjoy banana bread will like it, too.

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