# Step-by-Step:
01 - Add ice cubes to a high-speed blender.
02 - Pour chilled lemon-lime soda over the ice in the blender.
03 - Add sweetened condensed milk to the blender.
04 - Blend the mixture on high speed for 30–45 seconds until the texture becomes light, fluffy, and slushie-like.
05 - Divide the slushie evenly between two glasses and serve immediately with straws or spoons.