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.

Example input: Preheat oven to 325F and grease and flour a 10" tube pan.,Soak the nutmeg in the whiskey for ten minutes.,______,Cream butter and sugar together until fluffy.,Add eggs, one at a time until well incorporated.,Fold in remaining 1 1/4 cups flour, cream of tartar, baking soda, salt, soaked nutmeg and pecan/raisin mixture until well combined.,Spoon into prepared pan.,Bake for 1 hour and 15 minutes or until cake pulls away slightly from the edge of the pan.,Let stand in the pan for 30 minutes, then turn out onto cooling rack for complete cooling.,Store in an airtight container.
Example output: Stir together pecans, raisins, and 1/4 cup flour; set aside.
Example explanation: This is a good example, as we see the missing step is generated correctly from the available directions.
Q: Put a rack in the middle of the oven and preheat the oven to 350 degrees F. Butter 2 (9 by 2-inch) nonstick round cake pans.,______,Sift the flour, cocoa, baking soda and salt together onto parchment paper.,With an electric mixer on medium-high speed, cream the butter and sugars until light and fluffy, 4 or 5 minutes.,Add your eggs, 1 at a time, mixing until completely incorporated before adding each additional egg.,Mix in the chocolate and vanilla, making sure to combine really well.,Turn the mixer to low and slowly add the dry ingredients, alternating with the buttermilk, in 3 batches, starting and ending with the flour mixture.,Make sure to let it mix thoroughly.,Pour half the batter in each pan and spread it evenly with a spatula or butter knife.,Bake until a toothpick comes out clean, 25 minutes.,Remove the pans to racks and allow the cakes to cool for 10 minutes or so.,Loosen the edges of the cake from the pan with a knife, then turn them onto the racks.,Remove the paper and let the cakes completely cool.
A:
Line the bottom of each with a round of parchment paper, and then butter the paper.