Lemon Dijon Green Beans Almondine

Bahan-bahan (4 porsi)

• 1 pound green beans (fresh, trimmed)
• water and salt (for blanching)
• ice bath
• 1/4 cup salted butter ((half stick))
• 1 tablespoon Dijon mustard
• 1 clove garlic (smashed and minced)
• 1 lemon Lemon Zest
• 1/2 lemon Lemon Juice (or more to taste)
• 1/3 cup sliced almonds