- 20 minutes
- For the strawberry margarita layer, add the ingredients to the blender and pulse until smooth. Pour into a disposable cup or container and place in the freezer while you prepare the next batch.
- For the margarita layer, add the ingredients, except for the blue food coloring. Pulse in the blender until smooth. Pour half of the margarita into a large disposable cup or container and place in the freezer. Color the remaining margarita with a few drops of blue food coloring until you get your desired shade of blue.
- Run a slice of lime around the edge of each drinking glass and dip into either salt or sugar.
- Carefully spoon each flavor into the glasses, layering the colors. Serve immediately with a fresh lime slice.