Mashed cauliflower has been around awhile, hasn’t it? As the vanguard vegetable in the paleo and low-carb movement, cauliflower has transformed, Cinderella-like, from the last thing eaten on the plate (if at all) to being clamoured for – whole, roasted and burnished with spice. The centrepiece of the meal. I started hearing about cauliflower as a carb …