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: Make sauce; melt oleo and add flour.,Blend.,Add hot milk; stir until thickened.,Add remaining ingredients.,______
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Add cheese to sauce; let melt.