Place green beans in a saucepan and cover with water. Place over medium heat and bring to a boil. Reduce the heat to a simmer until the green beans are tender, about 3 - 4 minutes. Drain off the water and set aside.
Heat the oil in a nonstick pan over medium heat. Saute the garlic for 1 - 2 minutes until it starts to turn golden brown. Add the tomatoes and green beans; saute until the tomatoes are soft.
Season with salt and pepper to taste before serving.