01 - Preheat oven to 350°F. Lightly grease a medium baking dish with olive oil.
02 - Heat 1 tablespoon olive oil in a large skillet over medium heat. Add chopped onion and cook 3–4 minutes until softened. Add minced garlic and cook 1 minute until fragrant.
03 - Add spinach to skillet and stir until wilted, 2–3 minutes. Remove from heat and set aside.
04 - In a large bowl, whisk together eggs, heavy cream, ricotta, Parmesan, oregano, black pepper, salt, and nutmeg until smooth and well combined.
05 - Gently fold cooked spinach mixture and half the cherry tomatoes into the cream mixture.
06 - Pour mixture into prepared baking dish. Scatter remaining cherry tomatoes and pine nuts evenly over the surface.
07 - Drizzle remaining tablespoon olive oil over top and sprinkle with breadcrumbs.
08 - Bake 30–35 minutes until top is golden brown and center is set.
09 - Allow to cool 5 minutes before serving to set texture.