Which button must be pressed to complete making a strawberry banana smoothie?

To complete making a strawberry banana smoothie, pressing the indicated button is necessary to initiate the final blending process or to select the specific recipe for that smoothie. Each button corresponds to different tasks in the smoothie preparation process, such as adding ingredients, blending, or serving. The button required to finalize the preparation has been designated as the specific choice for strawberry banana smoothies, ensuring that the correct blending speed and duration are applied to achieve the desired consistency and flavor. This step is crucial, as it ensures that the smoothie is properly mixed, combining all the ingredients effectively to deliver a high-quality finished product for the customer.