1 oz orgeat syrup
1 to 1.5 oz fresh lime juice (depending on how tart you like it)
1.5 to 2 oz Tommy Bahama Golden Sun or other golden rum (depending on how boozy you like it)
1 dash Angostura Bitters
3-4 drops Peychaud's Bitters
shake with ice in a cocktail shaker until the shaker frosts. Pour into a cocktail glass, or just dump it all out, ice and all, into an old fashioned glass.