Freezing Kale (and greens in general)
I tried this method for freezing kale, and it worked great.
Kale, Chard, and other Greens
How to freeze kale
Health and Fitness
How to Freeze Kale & Other Greens---Any greens which are commonly cooked can be preserved through freezing.
Canning, Freezing, Food Preservation
With a little organization you can easily freeze kale for use in smoothies or other recipes that don’t require kale to be fresh.
blanching and freezing leafy greens - kale, etc.
things for the freezer
How to freeze kale--
Freezing Kale Step By Step
Stuff I want to make
Such good advice from Not Martha: how to blanch and freeze kale