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This rainbow funfetti vanilla layer cake is the ultimate birthday cake for you, your kids and family! You’ll be proud to make and serve a cake that’s as much fun as this one and also surprisingly so easy to create. It consists of three colorful vanilla cake layers with vanilla buttercream frosting & is topped with funfetti sprinkles and a rainbow colored vanilla buttercream. This is a fail-proof, buttermilk vanilla layer cake recipe that’s extrem…..."
INGREDIENTS
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1 cup (125g) all-purpose flour
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1 cup (125g) cake flour
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1½ teaspoon baking powder
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¾ teaspoon baking soda
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¾ teaspoon salt
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1 cup (226g) unsalted butter, at room temperature
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1½ cup (300g) granulated sugar
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3 large eggs, at room temperature
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1 large egg yolk, at room temperature
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⅓ cup (79ml) vegetable or canola oil
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1 tablespoon pure vanilla extract
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¾ cup (180ml) buttermilk, at room temperature
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food coloring of your choice
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1½ cups (340g) unsalted butter, at room temperature
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3½ cups (450g) powdered or confectioners’ sugar
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1 teaspoon pure vanilla extract
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180g vanilla buttercream frosting
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1 teaspoon yellow liquid coloring
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½ teaspoon pink liquid coloring
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½ teaspoon blue liquid coloring
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½ teaspoon green liquid coloring
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Rainbow funfetti sprinkles