Given the task definition and input, reply with output. 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.

______,Cook over medium heat, stirring constantly until the sauce comes to a boil.,Reduce heat, simmer 1 minute.,Add walnuts.,Cool and refrigerate.
Combine coffee, water and cornstarch; add honey, brandy and grated orange rind.