01 - Bring a large pot of salted water to a boil. Add green beans and cook for 3 to 4 minutes until bright green and tender-crisp.
02 - Drain the beans and immediately transfer to a bowl of ice water to halt the cooking process. Drain thoroughly and set aside.
03 - Heat olive oil in a large skillet over medium heat. Add minced garlic and sauté for 1 minute until fragrant without browning.
04 - Add the drained green beans to the skillet. Toss to coat with garlic oil and cook for 2 to 3 minutes until heated through.
05 - Stir in lemon zest, lemon juice, salt, and pepper. Toss thoroughly to evenly distribute flavors.
06 - Transfer to a serving dish and garnish with chopped parsley and lemon wedges if desired. Serve warm.