For the best flavor and texture, use baby spinach leaves.

How to freeze spinach leaves for smoothies. Once solid, you can keep them in a reusable freezer bag for up to 3 months. Put it in a ziplock bag and make sure you remove as much air as possible. Put the spinach filled freezer bags in the freezer and store for up to 1 month.

Press out as much air as you can while you seal. Place the bag in the freezer. Place the rinsed and dried baby spinach leaves in freezer bags, filling them up about 2/3 of the way.

First you need to wash and dry your spinach, and remove the stems. Remove the spinach from the water and dunk it quickly in. You can also freeze the fresh.

Make sure that there are no constituents left. Then take a freezer bag and place the leaves inside. Submerge the spinach fully inside a pan of boiling water for 60 seconds.

Place the rinsed and dried. The spinach should turn vibrant green. Mature spinach leaves can become rubbery after being in the freezer.

The easiest method is to freeze spinach as it is. You can also freeze other leafy greens this way, such as kale, chard, or arugula. Simply wash your spinach and pat it dry with paper towels.