# Method:
01 - Add the heavy cream, 2% milk, and vanilla syrup into a tall, narrow glass or milk frother.
02 - Whip the mixture using a handheld milk frother, electric whisk, or shake vigorously in a sealed jar for 30 to 60 seconds until it thickens, smoothens, and doubles in volume.
03 - Gently spoon the cold foam over iced coffee or cold brew and serve immediately.