Vegetarian Pizza with Zucchini and Bell Peppers

Ingredients

• 1 large seeded flatbread or pizza crust
• ½ cup marinara sauce
• 1 zucchini, very thinly sliced
• 1 yellow bell pepper, diced
• 1 green bell pepper, diced
• 1 pint cherry tomatoes, halved
• 2 tablespoons extra-virgin olive oil
• Kosher salt and freshly ground black pepper
• ½ cup shredded mozzarella cheese
• 1 cup shaved Parmesan cheese
• Fresh basil leaves, for garnishing