I must admit..I have never heard of Bumbelberry Pie, but I wanted to make a berry pie. I came across this recipe at Allrecipes.com. WOW. That is the only thing I can say. If I could eat the entire pie without gaining a pound I would! What could be better then a pie filled with: Blueberries, Strawberries, Blackberries, Rhubarb and Apples!? DELISH!!! First, let me start by the perfect pie crust. PIE CRUST 4 cps. flour 1/3 cp. sugar BIG pinch cinnamon 1 3/4 cp. shortening 2 pinches of salt 1/2…