Here are your ingredients:
2 cups frozen limeade (recipe below)
2 bottles of light beer
1/2 cup tequila
1 cup fresh lime juice + 2 limes for zesting
1 1/2 cups of water
1/2 cup Splenda sugar blend
To make the limeade:
Zest two limes. In a large saucepan, combine water, Splenda and lime zest and heat until Splenda is completely dissolved. Remove from heat and allow to cool at room temperature. Stir in lime juice and freeze your limeade concentrate until ready to use.
To make the beer-garitas:
In a pitcher, combine frozen limeade, 2 beers and 1/2 cup of tequila. Place pitcher in the freezer overnight until frozen through, then mix so that it is in slushy form and serve. Enjoy!