Thank you for your question. This unit is great for making fruit smoothies with frozen fruit. Please visit our website www.hamiltonbeach.com and click on the recipes tab. Here you will find recipes for our single serve blenders.
Thank you for your question. Model 51103 will have a wider jar for easy storing. Model 51101B will not have this capability. Both units operate the same and hold up to 14-oz in blending jar.