Unroll dough onto parchment lined baking sheet and reshape if necessary.
Lay mozzarella cheese slices evenly on crust or sprinkle grated Mozzarella evenly over crust.
Spread with an even layer of Alfredo sauce.
Cut kernels off of cobs and sprinkle evenly over sauce.
Break off tough ends of asparagus and arrange spears evenly on dough.
Arrange onion slices on dough and season to taste with salt and pepper.
Bake at 400 for 10-12 minutes or until crust is baked through and golden.
Cut into large squares for main dish or side dish or smaller squares for appetizers.