Holiday Antidote: Cauliflower Soup with Lemon Zest

The alcohol that comes with the holiday season and the over-abundance of rich and decadent food means we're constantly looking for an antidote: this cauliflower soup is perfect. It’s simple to make, with just onions, leeks, cauliflower, stock and lemon. No starch, no cream, and no butter, but you won't miss them. I often use chicken stock in my recipes,…