Step-by-Step Instructions
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In a mixing bowl, combine chicken, mayonnaise, celery, and any optional ingredients like grapes, apples, or nuts.
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Add mustard if desired and season the mixture with salt and pepper.
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Stir until everything is fully coated and creamy.
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Slice each mini croissant horizontally without cutting all the way through.
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Spoon a generous portion of chicken salad into each croissant.
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Serve immediately or refrigerate until ready to enjoy.
