Preheat oil in a large pan or deep fryer to 340-360 degrees F. Pulse cauliflower in a food processor until riced.
Combine flour, baking powder, cheese, riced cauliflower, red pepper flakes, chives, diced garlic, and salt and pepper, to taste. In a seperate bowl, mix together 2 eggs and milk. Pour into cauliflower mixture and mix together until fully combined.
Add a heaping tablespoon to the oil and fry until golden brown, about 4 minutes each side. Remove from oil and allow to cool on a drying rack or paper towel.
Mix together kewpie/mayo, sriracha, lemon juice, garlic powder, and onion powder for sriracha mayo.