Preheat oven to 375 degrees F.
Mix cashew butter, water, salt and ginger (or curry powder) in a small bowl until well combined.
Place cauliflower in a large bowl with the cashew butter mixture, and stir to coat every piece well.
Place coated cauliflower directly on large, metal cookie sheet (17x12) with sides (or on non-stick foil or parchment paper).
Bake for about 30-35 minutes until cauliflower is just fork tender.