Combine Tequila, cointreau and lime in a shaker.
Shake it Strain it, serve it. Top it with Three cents grapefruit soda.
You can garnish it with grapefruit peel and salt rim.
Tip : Experiment with lime or grapefruit garnishes
Organise your soirée
Put the quantity of ingredients you have, to know how much other ingredients you need and how many cocktails you can make.