Easy Homemade Funfetti Cake

On Tuesday it was my coworker’s birthday. I was in charge of making the cake and normally I would just make the boxed cake, but I decided to try this easy cake recipe I found at Averie Cooks. Considering it was a work night, I didn’t want it to take too long. This really was the perfect recipe. Recipe below!

*This recipe makes an 8×8 cake.



  • 1 cup all-purpose flour
  • 3/4 cup granulated sugar
  • 2 teaspoons baking powder
  • pinch salt, optional and to taste
  • 1 large egg
  • 1/2 cup buttermilk
  • 1/3 cup sour cream
  • 1/4 cup canola or vegetable oil
  • 2 teaspoons vanilla extract
  • 1/2 cup sprinkles, or to taste

Vanilla Buttercream Frosting

  • 1/2 cup unsalted butter, softened
  • 2 teaspoons vanilla extract
  • pinch salt, optional and to taste (helps offset the sweetness)
  • 1 1/2 to 2 cups confectioners’ sugar (I used 2 cups)
  • 1/3 cup sprinkles, or to taste



  1. In a large bowl, whisk together flour, granulated sugar, baking powder, optional salt; set aside.
  2. In a separate small bowl, whisk together the egg, buttermilk, sour cream, oil, and vanilla.
  3. Add the wet mixture to the dry, mixing lightly with a spoon or folding with a spatula until just combined. Small lumps will be present, don’t overmix or try to stir them smooth.
  4. Gently stir in the sprinkles, taking care not to overmix or they could bleed.
  5. Turn batter out into prepared pan and bake on 350 for about 30 minutes (start checking at 25 minutes), or until center is set and not jiggly, and a toothpick inserted in the center comes out clean or with a few moist crumbs, but no cake batter.

Vanilla Buttercream Frosting

  1. In a large bowl, add the butter, vanilla, optional salt, and slowly add the confectioners’ sugar while beating with a handheld electric mixer until smooth and fluffy, about 3 minutes.
  2. Turn frosting out onto cooled cake, smoothing it lightly with a spatula or offset knife.
  3. Evenly sprinkle with sprinkles.

This cake is really delicious! My coworker’s loved it! I think they were impressed I didn’t use the box mix. It really is an easy cake to make and you will impress all your friends and family with a homemade cake.