1 part white tequila
1 part fresh lime juice
1 part triple sec
Crushed ice

Combine lots of first 3 ingredients. Fill blender container 3/4 full with crushed ice. Pour in enough liquid mixture to cover ice plus 2 inches. Blend until smooth. Serve in 8 oz. brandy snifters which has been rubbed on the outer side of the rim with lime and rolled in salt.