Preheat grill to high.

Roll out dough to desired thickness and shape. Set aside.

Heat a skillet over medium. Add red onion slices, salt and pepper. Cook 10 to 12 minutes.

Add maple syrup, stir to combine, and then remove from heat.

Drizzle olive oil over asparagus and peaches. Season with more salt before placing on the grill. Cook about 5 minutes, making sure to get some good grill marks on those peaches. Remove from heat.

Rub olive oil on pizza dough, and then transfer to the grill. Cook about 2 minutes each side, or until toasted.

Lower heat on grill. Sprinkle mozzarella over pizza dough and let cook a few minutes, or until cheese starts to melt.

Add onions, sliced peaches, asparagus, prosciutto and fresh basil (if desired). Cook another minute, and the remove from grill.

Serve immediately.