If you want to make Petits Fours Poured Icing that does not require a candy thermometer this is the recipe for you
EASY PETITS FOURS POURED ICING
3 cups icing sugar
5 to 6 tablespoons cold water
1 teaspoon soft butter
Mix icing sugar and 5 tablespoons water together in a saucepan. Heat over medium heat until mixture feels lukewarm and is of good pouring consistency. Stir in butter. Add more water, if necessary. Pour over cakes twice to give a good coating. TO COLOR: When frosting is ready to pour, tint delicately with food coloring.