Is Cold Foam Just Blended Milk? The Science Behind the Trend
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                According to food science, cold foam is a stable suspension of air bubbles in milk, not just a simple blend. Cold foam is a creamy, frothy topping made by aerating cold milk until it becomes light and airy, creating a velvety layer that floats atop iced beverages without melting. It has become a popular alternative to heavy cream or whipped toppings in iced coffee drinks.