Frozen cauliflower doesn't need to be bland. If you've got about 15 minutes, you can make great-tasting frozen cauliflower.
Thaw cauliflower until warm but not hot. Drain and set aside.
How to Thaw in the Microwave: Place cauliflower in a microwave-safe container. Add water. Cover. Microwave until cauliflower is until thawed but not hot, about two minutes.
How to Thaw on the Stovetop: Heat ½-inch of water in a medium pan. Add the cauliflower. Heat until thawed, about three minutes.