- Preheat oven to 350ºF and line a large baking sheet with parchment paper. In a medium mixing bowl, whisk together flour and milk until smooth.
- Dip cauliflower florets in batter holding them by the ends as you dip. Place onto baking sheet leaving room between each piece. Bake for 25 minutes until crisp and golden.
- Increase oven temperature to 375ºF. Transfer baked cauliflower to a clean mixing bowl and coat with Takumi sauce using a rubber spatula to mix. Use tongs to transfer cauliflower to a baking sheet lined with parchment paper and bake for 7-10 more minutes.
- Remove from oven and allow cauliflower to crisp for 2-3 minutes before serving hot, topped with chopped green onion.