Layered Pizza Cake

Have your cake and eat your pizza too with this hearty pizza cake layered with loads of cheese and pepperoni.
3 (14-ounce) tubes store-bought pizza dough
Pizza sauce
48 slices pepperoni
3 cups low-moisture shredded mozzarella cheese
1 cup fresh mozzarella balls, torn
6 basil leaves
1 (15-ounce) can crushed tomatoes
4 ounces tomato paste
2 tablespoons oregano
1 teaspoon garlic salt