Instructions: 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.
Input: Combine all ingredients except buns in hotel pan or roasting pan.,Bake, uncovered, in 250 degrees F (120 degrees C) standard oven 3 hours, stirring occasionally.,______,(170 g) meat mixture.
Output:
For each serving: Fill 1 bun with 6 oz.