Place the sugar cube in a chilled champagne flute and moisten with a few dashes of bitters. Add champagne. Garnish with the lemon twist.
Adapted from Straight Up Or On the Rocks by William Grimes (North Point Press, 2001).
Throughout history, the agave plant has been a provider of many things -- the most commonly-known being tequila. For author Lucinda Hutson, the agave plant and its various products holds a special place in her heart, and in her book, ¡Viva Tequila!: Cocktails, Cooking, and Other Agave Adventures.