Green Beans with Tomatoes and Onions is a simple and flavorful side dish that pairs well with a variety of main courses. The dish is made by sautéing green beans with onions and garlic until they are tender-crisp, then adding diced tomatoes and cooking until the tomatoes are heated through. The combination of the fresh green beans, sweet tomatoes, and savory onions creates a delicious and colorful dish that is both healthy and satisfying.