Wash and dice the cauliflower into small florets. Add about 1/2 cup water and microwave for 5 mins.
Drain the water and add to the bowl.
Add the white sauce, milk, mix well.
Then add onion powder, garlic powder, 1/2 tsp red chili flakes, pepper and mix well.
Transfer this to the baking bowl.
Sprinkle the flour over the mix and top with grated cheese.
Sprinkle pepper and red chili flakes more if required.
Preheat the oven to 185C and bake for 15 to 20 mins.
Serve hot.