Preheat oven to 450 degrees. In a 9-inch springform pan, toss breadcrumbs with olive oil; press evenly into bottom.
In a bowl, whisk ricotta with Parmesan, eggs, and basil; season generously with salt and pepper. Spread over crust; arrange tomatoes on top. Brush with olive oil.
Bake until tomatoes are almost dry, 35 to 45 minutes; let cool. Unmold. Serve warm or at room temperature.