The taste of birthday cake has no rival, and this enjoyable birthday cake recipe needs no leveling or layering. With all the taste of a confetti cake and a delightfully fluffy vanilla frosting, this recipe yields an easy homemade sheet cake that will forever change the way you consider birthday cake. In addition to adding fond memories and color, the rainbow sprays provide ideal bites of crunch throughout the damp cake.

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Components
Cake:

2 cups versatile flour

1 1/4 cup granulated sugar

1/4 cup light brown sugar

1 1/2 tsp. baking powder

3/4 tsp. kosher salt

6 Tbsp. unsalted butter, space temperature

3 Tbsp. vegetable reducing

1/2 cup buttermilk

1/3 cup grease

3 big eggs

1 egg yolk

2 tsp. clear vanilla extract

1/4 cup, plus 2 Tbsp. rainbow sprinkles, divided, plus more for garnish

Frosting:

12 Tbsp. unsalted butter, space temperature level

3 oz. cream cheese, room temperature level

1 1/3 cups powdered sugar

1 1/2 Tbsp. light corn syrup

1/2 tsp. kosher salt

Pinch of baking powder

Directions
Collect ingredients:
Southern Living Classic Birthday Cake components
Prepare oven and baking pan:
Preheat oven to 350 ° F. Butter and flour a 9- x- 13-inch metal baking pan Reserve.

Southern Living Classic Birthday Cake preparing the pan.

Integrate dry ingredients:
Utilizing the paddle accessory, blend the flour, granulated sugar, brown sugar, baking powder, and salt in a stand mixer on low.

Southern Living Classic Birthday Cake blending together the dry ingredients

Include butter and shortening:
Cut the butter and shortening into little pieces, and add to the dry ingredients in the mixer.

Southern Living Classic Birthday Cake including the butter and shortening to the dry components

Turn the mixer on low and mix until combined.

Southern Living Classic Birthday Cake butter blended into the dry ingredients

Make egg mixture:
Meanwhile, whisk together the buttermilk, oil, eggs, egg yolk, and clear vanilla extract in a separate little bowl.

Southern Living Classic Birthday Cake whisking together the damp components

Make cake batter:
Include half of the liquid active ingredients to the dry ingredients in the mixer, and integrate on low for 2 minutes.

Southern Living Classic Birthday Cake adding some of the wet active ingredients to the dry

Scrape down the sides of the bowl, add half of the staying liquid components, and integrate on low for another 2 minutes. Scrape down the bowl again and add the last quantity of liquid active ingredients, integrating it on low for another 2 minutes. Add 1/4 cup of the rainbow sprinkles and fold into batter with a spatula.

Add batter to pan:
Put Cake batter into ready baking pan

Southern Living Classic Birthday Cake including the batter to the pan.

Sprinkle surface area with staying 2 Tbsp. rainbow sprays

Southern Living Classic Birthday Cake sprinkling the batter with sprinkles.

Bake cake:
Bake, rotating midway through baking, till a toothpick placed in the center of the cake comes out dry, about 30 minutes. Enable the cake to cool entirely, about 1 1/2 hours.

Southern Living Classic Birthday Cake after baking

Make the Frosting:
Beat together butter and cream cheese on medium in a stand mixer for 3 minutes.

Southern Living Classic Birthday Cake beating together the butter and cream cheese

Include powdered sugar, and combine on low till simply incorporated, then increase the speed to high and beat for another minute.

Southern Living Classic Birthday Cake including the sugar

Include the remaining ingredients and beat on medium-high for 5 minutes till light and fluffy.

Southern Living Classic Birthday Cake after the frosting has been completed

Decorate cooled cake:
Cover the surface of the cake with the Frosting and decorate the surface with more sprinkles.