01 - Bring a large pot of salted water to a boil. Add green beans and cook for 3–4 minutes until crisp-tender. Drain and immediately plunge into a bowl of ice water to stop cooking. Drain again and set aside.
02 - In a large skillet over medium heat, melt the butter. Add sliced almonds and toast, stirring frequently, for 2–3 minutes until golden and fragrant.
03 - Add minced garlic and sauté for 30 seconds until aromatic.
04 - Add the drained green beans to the skillet. Sauté for 2–3 minutes, tossing to coat with butter, almonds, and garlic.
05 - Remove from heat. Add lemon zest, lemon juice, salt, and black pepper. Toss well. Transfer to a serving platter and serve immediately.