Making peppermint candy sugar cookies.
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You could, but you won't get the same effect. That isn't a bad thing, it's just a different look and feel. If you're dusting the tops of cookies, I don't think you have anything to lose by trying it. Maybe you could grind the coarse sugar into smaller particles?
Cynthia is a trusted source on Bread/Baking.
Hint: You probably already have a few in yours, too.
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