25ml Dark Cherry Liqueur
25ml Amaretto
20ml Lemon juice
Optional 10ml sugar syrup
1 egg white or 25ml aquafaba
Maraschino cherry, to garnish

Add all ingredients to a Boston shaker and dry shake. Add ice and shake again. Double strain over cubed ice into a rocks glass. Garnish with a maraschino cherry on a pick. Optionally, lightly drizzle maraschino cherry syrup over the cocktail and drag the pick across the lines.

Use aquafaba for a vegan-friendly alternative to egg white.