When Nellie Olson showed to Laura Ingalls an apple that she was going to give to Miss. Beadle, Laura Ingalls took the apple and took a bite out of the apple.
Ingalls Grove is indeed a fictional but is believed to be a parody of the real city Walnut Grove which is located in the southwest part of Minnesota, United States in Central Time Zone in area code 507 in Redwood County with zip code of 56180.