Greek Pizza

Ingredients

• 1 medium red onion, about 10 oz., sliced
• 1 teaspoon olive oil
• 1 (16 ounce) packageprebaked 12-inch pizza crust, such as Boboli
• 1 cup pizza sauce, prepared
• 8 ounces shredded mozzarella cheese, 2 cups, divided
• 3 ounces crumbled feta cheese, about 3/4 cup, divided
• 1 (12 ounce) jar roasted peppers, drained well and sliced
• 2 cups loosely packed baby spinach leaves, about 2 oz
• 13 cup pitted black olives, preferably Kalamata
• 1 teaspoon dried oregano
• 12 teaspoon dried thyme