Nigella's Pear and Ginger Muffins

I'm *officially* up and around again after my hospital stay, and I'm feeling much, much better (thanks so much for all of the well wishes sent my way.)I've definitely been in need of a little comfort around here, and nothing says comfort like a good, warm, homemade muffin. Not having quite the energy yet to cook much, I needed an easy recipe. Nigella Lawson's newest cookbook- Nigella Express- had