Combine the rum, Licore Strega, puree, lemon juice, elderflower syrup, flower water and egg whites in a mixing glass or tin and dry shake (without ice) for approximately 10 seconds. Add a scoop of ice and again shake for 10 to 15 seconds. Strain the contents into a double old-fashioned glass or oversize tumbler over ice. Garnish with the thyme.
Recipe courtesy of Emeril Lagasse, copyright MSLO Inc., all rights reserved