You bake the crust with the pizza poo on it.
You bake the crust with the sauce on it but not the toppings. The cheese, peppers, olives, whatever come later when the crust is cooked. Unless of course you have a thin crust AND a proper pizza oven.
And that vegetable Ain't Cherry tomatoes!
I've done pizza with cherry tomatoes. I cut them in halves and add them last, just a minute before turning off the oven.
It's fairly basic, even the Italians figured it out.
That didn't come out right! I hope bubu doesn't come near this thread or you'll have hell to pay for this.