We all have our indulgences: A big bowl of chocolate ice cream after a long, stressful day. That can of Coke with a few slices of pizza on a Friday night. A burger and fries at that new restaurant ...

For singer/songwriter Aïcha Fall, including a little bit of kale into every meal is a non-negotiable. Kale — a hearty leafy green in the same family as cabbage and broccoli, rich in fiber, potassium ...