Healthy? Check. Easy? Check. Portable? Check? Yup: Smoothies are pretty much ideal if you’re looking for a speedy, nutritious breakfast on the go. And then there’s their versatility. Once you spend a little time with your blender, you start to realize that there are just about endless smoothie combinations. These 11 recipes represent a good mix of options and feature not just the standard fruit, milk and yogurt, but also avocado, kale, coconut water, chia seeds and rolled oats.