Makes 2 Tbsp. (enough for about 1 1/2 dozen [3-inch] or 8 to 12 [4 1/2-inch] cookies)
2 tablespoons water
2 teaspoons meringue powder
1. Whisk together water and meringue powder until blended.
Note: Purchase meringue powder at cake-supply and crafts stores or supercenters.