Blueberry Rhubarb Pie
Preheat oven to 400 F. Combine first 6 ingredients in a mixing bowl and mix thoroughly. Transfer to a buttered deep 9 inch pie plate. Place pie crust over top of pie plate. Pinch crust around edges to inside edge of pie plate. Make a 2 inch cut in the center of crust. Combine egg yolk and water in a small bowl. Whisk vigorously. Brush over top of crust. Bake 40-45 minutes or until juices bubble around edges and crust is golden brown.