Fill a shaker with ice cubes, ensuring there's enough space to accommodate the ingredients.
Add the amaretto liqueur, fresh lemon juice, and simple syrup to the shaker.
Secure the lid on the shaker and shake vigorously for about 10-15 seconds to combine the flavors and chill the mixture.
Strain the contents of the shaker into a rocks glass filled with ice.
Garnish your Amaretto Sour with a maraschino cherry and a slice of lemon to add a touch of elegance and visual appeal.
Raise your glass and savor the exquisite flavors of this delightful cocktail.