Preheat oven to 350 degrees and set a rack in the lower third divide the Pasta Frolla into 2 pieces. Pour in filling and smooth top. Whisk egg and salt together and paint dough strips with egg wash. Arrange six strips on filling. Arrange remaining strips at a 45-degree angle to the first ones.
Press strips at rim of pan to adhere and trim away excess dough even with top of pan.
Bake the Pizza about 45 minutes, until the filling is set and the dough is baked through. Cool in the pan on a rack. To unmold, place a platter on pizza and invert, removing pan. Replace pan with another platter and invert again, removing top platter. Serve the Pizza at room temperature.