For sure to make a delicious smoothie you need a good blender that can crush ice into a drinkable slush and cut through frozen fruits, nut and seeds well. One of my favorite ones is the NutriBullet. I use this high-speed blender almost everyday to have a creamy texture when I make my green smoothie. I love this one because it's more powerful than the original and it's simple to use and easy to clean. On top of it, high-speed blenders blend all the ingredients very well. Another one that I love is my Vitamix and it's the the one item in my kitchen that gets used EVERY single day. It's one of my favourite tools in the kitchen. I make smoothies, my low-carb blueberry muffins, my mashed cauliflower and lots of soups with it. It's also make sauces, spreads and digs. I love it so much and really recommend it.