01 - Bring a large pot of salted water to a boil. Add the green beans and cook for 3–4 minutes until crisp-tender. Drain and immediately transfer to a bowl of ice water to stop the cooking; drain again and set aside.
02 - In a large skillet over medium heat, add the sliced almonds. Toast, stirring frequently, for 2–3 minutes until golden and fragrant. Remove almonds from the skillet and set aside.
03 - In the same skillet, melt the butter over medium heat. Add the minced garlic and cook for 30 seconds until fragrant.
04 - Add the drained green beans to the skillet. Toss to coat in the butter and garlic, cooking for 2–3 minutes until heated through.
05 - Stir in the lemon zest and juice. Season with salt and pepper to taste.
06 - Sprinkle the toasted almonds over the green beans and gently toss. Serve immediately.