Kids Can Make: Hash Brown, Tomato and Mozzarella Quiche

plus 2 tablespoons extra-virgin olive oil

frozen shredded hash browns, thawed, excess water squeezed out

Kosher salt and freshly ground black pepper

Cooking spray

large eggs, lightly beaten

half-and-half

red and yellow cherry tomatoes, halved

fresh basil leaves, roughly chopped

fresh chives, finely chopped

part-skim mozzarella, shredded