Translation of auslassen

It looks like we need to invite Erika again to my home, once the cake is ready. Of course, this should be done before Sunday to stay in the chocolate cake race. We should buy cream too.
I've also looked at the interface, and found it a good idea to include the colloquial option. Would it be very complicated to add the most important regional check box, like Spain, South America or Central America?
Hello, my name is Rick and I come from Mexico, I live in the capital Mexico City which is located in the center. I speak Spanish and German as my mother tongue and I can help you with either one.