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.
Q: In saucepan, stir together 1/2 cup sugar, cornstarch, flour and salt.,Add egg yolks and milk; stir with wire whisk until well blended.,______,Remove from heat.,Stir in butter and vanilla.
A:
Bring to a boil over medium heat, stirring constantly. Continue cooking and stirring 2 minutes, until thick.