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Homemade Confetti Cake
My Homemade Confetti Cake is all about simple joy. It’s a soft, tender vanilla cake with colorful sprinkles mixed throughout, giving every slice that classic birthday‑cake look and taste. Making it from scratch brings a richer flavor and a better texture than the boxed version, while still keeping things easy and familiar.

Ingredients
Cake
Raspberry Buttercream Frosting
Instructions
- Step 1
Preheat oven to 350℉.
- Step 2
Grease a 9″ x 13″ casserole dish and set aside.
- Step 3
In a small bowl, stir together the flour, baking powder, baking soda and salt until well-mixed. Set aside.
- Step 4
In a large bowl, beat together the butter and white sugar for 2 minutes until light and fluffy.
- Step 5
Beat in the eggs and extracts for 1 minute, then beat in the yogurt until just combined.
- Step 6
Add half of the dry ingredients, beat until just combined, then the milk, then remaining half of the dry ingredients.
- Step 7
Stir in the sprinkles to your personal preference, adding more or less as desired.
- Step 8
Pour the batter into the prepared baking dish and use the back of a spoon or an offset spatula to smooth the batter down to be completely even.
- Step 9
Bake for 28-35 minutes, until an inserted toothpick comes out clean.
- Step 10
Allow the cake to cool completely before frosting.
- Step 11
While the cake is cooling, prepare the raspberry buttercream frosting.
- Step 12
In a large bowl, beat together the butter and 4 cups of powdered icing sugar for 2 minutes.
- Step 13
Add the optional cream and vanilla extract and beat until incorporated.
- Step 14
Add the raspberries and beat until the raspberries are broken down and no large pieces remain in the frosting.
- Step 15
Spread the frosting over the cooled cake with an offset spatula and then garnish with sprinkles.
Tips & Tricks
Per serving
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