First time using blender of any kind so it took some getting used to the solid to liquid ratio. After getting the right amount of liquid the blender worked just fine without the need to stir. I really like that the buttons are labeled for use instead of just numbered 1--10, makes it much more useful. Having arthritis in both hands I really appreciate the plastic jar for handling and the removable part in the lid make it very easy to add product, as I had to when getting right amount of liquid.