Thai Pizza with Zucchini and Pickled Onions

red onion, sliced thin

juice of 1 lime

salt and pepper

parchment paper

12-inch pizza dough (Here's my homemade recipe)

olive oil

or 1/2 cup Sweet Chili Sauce

and 1/2 cups mozzarella, divided

cooked chicken or pork, shredded or cubed

small zucchini, sliced thin

very small carrot, shredded

or 1/3 cup cilantro, chopped