01 - Chill two tall glasses in the freezer for about 10 minutes, if desired.
02 - Place one large scoop of vanilla ice cream in each glass.
03 - Slowly pour the chosen soda over the ice cream in each glass, allowing the foam to rise. Pour gently to avoid overflow.
04 - Top with optional garnishes such as whipped cream, orange zest, caramel drizzle, or mint.
05 - Serve immediately with a straw and/or long spoon.