INGREDIENTS
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1 1/4-ounce packet unflavored gelatin powder
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1 tablespoon light corn syrup
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1/2 teaspoon vanilla extract
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1/8 teaspoon salt
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2 1-pound boxes confectioners' sugar (about 8 cups), plus more for kneading
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Assorted food coloring, for tinting
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Assorted extracts (such as peppermint, strawberry or almond), for flavoring (optional)
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Cooking spray
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Food decorating pens, for writing