"A fun and colorful cake, this Swirled Easter Cake is a doctored up cake mix with a homemade buttercream frosting that is perfection!..."
INGREDIENTS
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15.25 ounce box white cake mix
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¼ cup water
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4 egg whites
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½ cup vegetable oil
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1 cup sour cream
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1-2 teaspoons clear vanilla extract
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Blue, pink, and yellow food coloring (either gel or liquid)
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Pastel colored sprinkles
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½ cup butter (softened (not melted))
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2 cups powdered sugar
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¼ teaspoon salt
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1 ½ teaspoons vanilla extract
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2-4 tablespoons heavy cream (or you can use milk)
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Food coloring (optional)