Cauliflower puree from the oven with chives

My daughter is a big fan of cauliflower and loves to eat it simply cooked. But there are so many other fun ways to experiment with cauliflower! For example, a fantastic alternative to mashed potatoes is this delicious cauliflower mash from the oven. This puree has much less carbohydrates than mashed potatoes, but is just as tasty. I use buttermilk for this recipe. This dairy product used to be a by-product of small-scale butter production and is obtained by churning soured cream. In the Netherlands, buttermilk is mainly drunk as a drink in the summer, but it is therefore also very suitable for making a delicious puree. Cauliflower puree casserole with cheese.