Rio Grande Buttermilk
["1 (6 oz.) can frozen lemonade concentrate", "1 lemonade can filled with tequila", "cracked ice"]
["Place frozen lemonade and tequila in your blender.", "Fill with cracked ice and blend.", "Serve in salt-rimmed glasses, if you desire."]
["frozen lemonade concentrate", "filled with tequila", "cracked ice"]