In this task, you will be presented with the directions of a recipe separated by "," and have to fill in the "___" which is a step that is missing from the recipe.

______,Add eggs, one at a time, beating after each addition.,Beat thoroughly.,Add sifted flour and beat. Add chocolate syrup and blend well with electric mixer for a minute.,Pour into 13 x 9-inch greased and floured pan.,Bake at 350 for 25 to 35 minutes.,Test with toothpick. Do not open oven until cake has cooked at least 15 minutes or cake might fall. Cool slightly before icing.
Cream sugar and butter.