"Here's what you need: angel food cake mix, water, green food coloring, purple food coloring, pink food coloring, mini marshmallows, powdered sugar, unsalted butter, blue food coloring, multicolor sprinkle..."
INGREDIENTS
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1 box angel food cake mix
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½ cup water, plus more according to packaging instructions
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4 drops green food coloring
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4 drops purple food coloring
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4 drops pink food coloring
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2 cups mini marshmallows
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¾ cup powdered sugar
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4 tablespoons unsalted butter
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10 drops blue food coloring
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multicolor sprinkle, for decorating