Preheat oven to 375° F.Grease an 8" x 8" square baking pan with non-stick cooking spray. Line pan with parchment paper.
Process pistachios, flour and sugar in food processor until finely ground.
Add eggs and butter; pulse until the mixture just comes together.
Press about half the mixture evenly in the prepared pan.
Spread the cherry fruit filling evenly over the crust.
Sprinkle remaining dough evenly over the top of the filling.
Bake for 40-45 minutes until golden brown on top.
Cool in pan; cut into squares, and serve.