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.

Cool the milk to lukewarm and mix thoroughly with sugar, shortening and salt.,Dissolve yeast in 1/4 cup warm water and add to the mixture.,Add egg and flour; mix with a spoon.,Cover and let rise for 1 1/2 to 2 hours, then knead the dough on a floured surface until smooth.,______,Brush with butter and as for Parker House rolls place on a greased cookie sheet.,Let rise 3/4 hour.,Bake in hot oven at 400 for 20 minutes.
Roll 1/4 inch thick and cut.