1 1/2 oz of Gin
1 oz of Triple Sec
1/2 tsp of grenadine syrup
1 slice of pineapple
1 oz of Pineapple Juice
In a shaker half-filled with ice cubes, combine the gin, triple sec, pineapple juice, and grenadine. Shake well. Pour into an old-fashioned glass and garnish with the pineapple slice.