On my way home a couple of weeks ago, I popped off the tube at Baker Street and went for a quick bite at Chipotle. It was early evening and I had deliberately saved some space during the day as I have experienced extreme fullness one too many times after eating huge burritos. And let’s face it, there is no such thing as a small burrito. Shortly after I walked through the door at 6.30pm, there was already a sizable queue of eager hungry Mexican burrito loving customers waiting in line to get their fix. I chose a pork burrito with brown rice and all the trimmings, including an extra scoop of guacamole (£1.60). I also enjoyed (shared!) a bag of tortilla chips (90p) with all three salsas – hot, medium and mild (£1.60 each). The medium and medium-hot, I am told, are produced using tomatillos – which on first glance look like under ripe tomatoes but taste like a cross between a tomato and an apple. Don’t believe me? Try it for yourself. The …