Rainbow Vegetable Pizza

1 flat bread pizza crust (such as Flatout® Flatbread Thin Crust Flatbread)

¼ cup crushed tomatoes with roasted garlic and olive oil (such as Furmano's®)

¼ cup chopped fresh spinach

¼ cup fresh chopped broccoli

¼ cup finely chopped yellow bell pepper

¼ cup finely chopped orange bell pepper

¼ cup chopped eggplant

9 slices pepperoni

chopped

¼ teaspoon dried oregano

¾ cup shredded mozzarella cheese