Reese Cooks - S2-E18
Continuity mistake: During one of Reese's cooking classes, Hal puts some bread into a toaster. It then cuts to a shot of Reese. When it cuts back to Hal, the toast that pops out of the toaster isn't the same shape as the bread he put in.
Answer: It is made up - although it is implied she is Croatian, she never mentions it herself.