Directions

1. Preheat oven to 400°. With rolling pin or hands, press pizza crust into 8 x 12-inch rectangle, then cut into 4 squares.
2. On greased baking sheet, arrange squares. Evenly top with Sauce, then cheeses, leaving 1/2-inch around edges. Fold top half over filling to form a triangle; seal edges with fork. Brush with egg yolk mixture. Bake 12 minutes or until crust is golden.