01 - Bring a large pot of salted water to a boil. Add green beans and cook for 2 to 3 minutes until bright green and crisp-tender. Drain and immediately transfer to a bowl of ice water to stop cooking. Drain again and set aside.
02 - In a large skillet over medium heat, add sliced almonds. Toast, stirring frequently, for 2 to 3 minutes until golden and fragrant. Transfer almonds to a small bowl.
03 - Heat olive oil in the same skillet over medium heat. Add minced garlic and sauté for 30 seconds until fragrant but not browned.
04 - Add green beans to the skillet. Sauté for 3 to 4 minutes, stirring occasionally, until heated through and coated evenly with oil and garlic.
05 - Pour in lemon juice, add lemon zest, salt, and freshly ground black pepper. Toss well to combine all flavors.
06 - Transfer green beans to a serving platter and sprinkle with toasted almonds. Serve immediately.