Place 2 bar spoons of orange jam into a shaker
Pour in 0.5 oz of lemon juice, 1.5 oz of grapefruit juice, 0.35 oz of sugar syrup, 1oz of triple sec and 1.5 oz of silver tequila
Fill the shaker with ice cubes and shake
Strain into a chilled champagne saucer
Garnish with a red Maraschino cherry