Both leaf and stem are edible, although the stems are best chopped into small pieces so they can cook at the same rate as the ...

Add the leafy greens, starting with the toughest (i.e. kale ... 10-15 minutes on to the cooking time. Just be sure to use a dish that is suitable for use from freezer to oven.

although the stems are best chopped into small pieces so they can cook at the same rate as the leaves. Choose kale leaves with nicely saturated tones: they’ll range from very dark blue-green ...