Given the background description of some cooking related query, summarize the question into a title

Example Input: I forgot to add the vanilla at the end of making my vanilla pastry cream for eclair cake. Can I add it now after its been in the frig overnight? I'm going to fold in whipped cream also.
Example Output: Can I add vanilla to pastry cream after its cooled?

Example Input: Cake, Bread or AP? My goal is a 'chewy', 'moist' brownie. I have always used AP in the past, but am wondering if an alternative flour might improve the final result.
Example Output: What is the 'best' flour to use for brownies?

Example Input: Like many people, I rely on coffee in the morning to really get me going for the day. I always use more than the directions require to get more caffeine for that extra morning jolt.How much ground coffee should I use to reach caffeine critical mass in my brew? Is there a formula for volume of grounds per unit of water that I can use so I can get the maximum caffeine experience without wasting coffee?
Example Output:
How can I maximize the caffeine content of my coffee?