Preheat oven to 400°.
Combine in mixing bowl the flours, salt, baking powder and sugar.
In blender put sprouts, egg, milk and butter.
Blend for 20 seconds.
Pour over dry ingredients and mix together with spoon.
Stir, do not beat, until well mixed.
Butter a 12-mufBn tin.
Fill each 2/3 full.
Bake for 20-25 minutes until risen and firm.