A protective and tangy sour with a hint of sweetness, guarding against blandness.

Ingredients:

• 2 oz Rye Whiskey
• 0.75 oz Fresh Lemon Juice
• 0.75 oz Maple Syrup
• 1 Egg White (optional, for foam)
• Angostura Bitters
• Ice

Instructions:

1. If using egg white, combine rye whiskey, lemon juice, maple syrup, and egg white in a shaker without ice. Dry shake vigorously for 15-20 seconds.
2. Add ice to the shaker and shake again until well chilled.
3. Strain into a chilled coupe or rocks glass.
4. Dash Angostura bitters on top for aroma and color.