Optional: a fresh lime wedge and margarita salt or sugar, to rim the glasses
Directions
For each of the margarita recipes, add the five ingredients to a blender and pulse until completely smooth. If the mixture is too thin, add extra ice until it is the consistency of a thick slushy. Pour into a container, and store in the freezer while you rinse the blender to make the next batch.
If you would like to rim your glasses with salt or sugar, make a small slit in a fresh lime wedge and run it around the tops of your glasses to wet the edges. Then invert the glasses, and dip them in a bowl of salt or sugar to coat the rims.
Use a spoon to scoop your desired first flavor of margaritas into the bottom of your serving glasses until they are 1/3 full. Add your second flavor, and then your final flavor. Serve immediately.
*For those of you who would like to have somewhat straight lines between layers, I have a little tip. Once your first layer is in, do not add a huge spoonful of the next color on top. Rather, add just a few small spoonfuls of the next color in small piles around the edges of the first layer until you have made a circle border. Then fill in the center, and THEN you can start adding in larger spoonfuls on top of that. (Repeat with the third layer.) If you add a huge glop of a new color, it will make the layer underneath get super uneven and start to bleed color everywhere.
But hey, after about 5-10 minutes, the colors will start to seep and combine anyway. So however yours turn out, no worries — they will be delicious!