In a steamer pot or a pot with a steamer insert add the green beans and enough water to cover the bottom. Place the lid on the pot and place over high heat and bring water to a boil. Turn down to medium low and steam until the green beans are bright green and tender.
Remove from the heat and place green beans in serving dish. Drizzle with melted butter and sprinkle with lemon zest and almonds. Serve immediately.