How do you make a glazed doughnut hard in texture to use just for decoration?

I'm trying to make a doughnut for my niece to use in a beauty pageant for a prop.How do you make a glazed doughnut hard in texture to use just for decoration?
pop it in the microwave for a minute when it cools it will be hardHow do you make a glazed doughnut hard in texture to use just for decoration?
put it in the microwave for 30 second after you let it sit for 1 one Report Abuse

Have you ever let a doughnut sit on the counter for a couple days??
Cover it with a coat of shellac