You put spinach in your smoothies, are well-versed in the benefits of dandelion greens, and could massage kale in your sleep. Monkey Bread From Canned Biscuits. Raw or cooked, in a salad or a stir fry. Canned Collard Greens Canned Collard Greens are nutritious, delicious, and so easy to prepare. Simply open the can and empty the contents into a pot.