Why Ice Cream at McDonald’s Sometimes Feels Hard: Exploring the Science Behind the Texture

Why Ice Cream at McDonald’s Sometimes Feels Hard: Exploring the Science Behind the Texture

McDonald’s soft serve ice cream has been a favorite treat among customers for decades. However, you may have noticed that sometimes the ice cream from your local McDonald's feels firmer than anticipated. This article delves into the scientific reasons behind the texture and what contributes to the sometimes-hard sensation.

Temperature and Serving Method

The first factor that affects the texture of McDonald’s ice cream is temperature. Compared to typical ice cream, McDonald’s ice cream is served at a lower temperature. This means that when you scoop it out, it feels harder and more difficult to soften. Additionally, the ice cream is often dispensed directly from self-service machines that maintain a specific temperature. These machines are designed to keep the ice cream at a consistent temperature to ensure a perfect texture every time.

Ingredients and Stabilizers

The formulation of McDonald’s ice cream also plays a significant role in its texture. The ice cream includes stabilizers and emulsifiers. These additives are designed to maintain the texture and prevent ice crystal formation. The presence of these ingredients can contribute to a firmer consistency, making the ice cream feel harder when scooped out.

Air Incorporation and Overrun

The churning technique used in the production of McDonald’s ice cream, known as overrun, is another factor that influences its texture. Overrun refers to the amount of air incorporated into the ice cream. McDonald’s ice cream may have less air incorporated compared to premium ice creams, leading to a denser texture. This contributes to the harder sensation when you take a bite. While this process can make the ice cream more stable and easier to dispense, it might not be as creamy as high-end varieties.

The Probable Cause: Cleaning Machine Issues

There are some logistical reasons why McDonald’s ice cream might sometimes feel harder than expected. One common issue is the cleaning process of the machines. Many McDonald’s outlets use the Taylor brand machine, and proper cleaning is crucial for these machines to function correctly. If the machine is not cleaned properly, it can result in heat cycle issues, leading to the machine's inoperability. Only trained Taylor employees are certified to work on these machines, so any error in the cleaning process can cause the machine to malfunction. This can be a significant reason why the machines are out of order at times.

Conclusion

The texture of McDonald’s ice cream can be attributed to a combination of factors, including temperature, formulation, churning technique, and machine maintenance. While the lower temperature and the presence of stabilizers and emulsifiers can contribute to a firmer consistency, the cleaning process of the machines is also a key factor. Understanding these factors can help explain the sometimes-hard sensation you might encounter when enjoying McDonald’s ice cream.

Sources

McDonald’s Quality Assurance Report 2022 Food Science Journal - Ice Cream Texture and Formulation McDonald’s Official Website