Never Fail Icing - cooking recipe

Ingredients

1/4 tsp. cream of tartar
1 3/4 c. sugar
3/4 c. hot water
2 egg whites
2 Tbsp. cold water
1/4 c. sugar

Preparation

Boil cream of tartar, sugar and hot water until it spins a thread about 10 inches long.
Beat 2 egg whites until stiff; add 2 tablespoons cold water and then add sugar.
Pour syrup into egg white mixture and beat until it begins to grain or get stiff, then spread on cake.