Jefferson Sour with Homemade Grenadine

Ingredients

• 1 cup water
• 1 cup sugar
• 3 cups rye, divided
• 1 1/2 cups fresh lemon juice (from about 8 large lemons), divided
• 12 large egg whites (preferably organic), divided
• Ice cubes
• 18 teaspoons Homemade Grenadine, divided

Steps

1. Bring 1 cup water and sugar to boil in small saucepan over medium-high heat, stirring until sugar dissolves; boil 2 minutes. Pour simple syrup into bowl; cool. DO AHEAD Can be made 1 week ahead. Cover; chill.
2. For each drink, combine 1 tablespoon simple syrup, 1/4 cup rye, 2 tablespoons lemon juice, and 1 egg white in cocktail shaker. Fill shaker with ice cubes, cover, and shake vigorously until cold, 30 seconds to 1 minute.
3. Fill glass with ice cubes; strain drink from shaker into glass. Drizzle 1 1/2 teaspoons grenadine over.