I grew up having this recipe served during the holidays at family gatherings. It is my favorite way to have cauliflower! It might be the healthiest but it's the holiday season, so why not give it a try!
Remove leaves and boil one head of cauliflower for 15 minutes. Remove from heat and drain water. Place into an oven casserole bowl.
Chop some bacon and fry up until it is pretty crispy and place on kitchen paper to remove grease. Chop one large red onion and fry in the same pan that bacon was in for a couple minutes.
In a small bowl, mix 2 tablespoons dijon mustard with 5 tablespoons mayonnaise and add in the cooked red onions. Spread the mixture over the cooked cauliflower head.
Grate a block of cheddar to make a handful of shredded cheese and cover the cauliflower. Pop it in a preheated 180C oven for 5 minutes. Once cheese has melted, take out of the oven and cover with the crispy bacon.