Preheat oven to 450 degrees.
Mix pizza dough according to package instructions. Spread on bottom and up sides of lightly greased springform pan.
Combine melted butter, garlic, salt, and Italian seasoning. Pour over crust and bake 5 minutes.
Remove crust from oven; top with spaghetti (packed down), pizza sauce, cheese, and additional Italian seasoning.
Bake 15 minutes or until cheese is melted and edges are golden brown.