There are a number of questions that are asked in just about every Ask Me Anything (AMA) session that takes place on Reddit. One of them is about the preference for taking on 100 duck-sized horses (or just one horse-sized duck). The other? What’s your idea of a perfect sandwich?

The Perfect Sandwich is our weekly feature that pairs scientists, celebrities, politicians, and other icons with this universal question. This week brings us actress, comedian, and writer Felicia Day. Check out Day’s Ask Me Anything session, click here!