Let’s face it: sometimes, we just don’t have time to sit down and eat a real meal—let alone prep a healthy one! When you have a crazy week ahead, smoothies could be your best friend. Pre-making them will save you even more time, so that all you have to do is pop your smoothie on the blender, hit the button, and—ta-dah! A nutritious snack that you can (safely) consume as you hop in the car and drive to your next meeting. And, it’ll keep you full until your next meal time.

If you’ve never tried making smoothies before, there are a few basic things you’ll need.