Bumbleberry_pie
Bumbleberry pie
Canadian mixed berry pie
Bumbleberry pie[1] is a mixed berry pie. It is made of at least three kinds of berries, but generally refers to a mixed berry pie,[2] as there is no such berry as a "bumbleberry". This pie often also contains apple[3] and/or rhubarb.[4][5] Berries commonly used in this pie may include blueberries, raspberries, strawberries, and blackberries.[6]