Beat egg whites with a pinch of salt until become soft peaks.

Slowly add the sugar to the meringue mixture while beating.

Beat until get white meringue and add food coloring.

Pour meringue into plastic bags. Cut the bottom out.

Pipe meringue on top of cakes and bake for 5-10 minutes in 160°F c. You will get a beautiful meringue. Let the cake rest before eating.