Preheat oven to 375.
Place first 5 ingredients ( all but flour, soda, butter and powder ) in blender.
Blend for 1 minute, add melted butter and blend another minute.
Let stand for 20 minutes.
Line bread loaf pan with non-stick aluminum or parchment.
Butter inside of pan.
Place flour, soda and powder in mixer bowl.
Add slurry to mixer bowl and mix on medium for 1-2 minutes until it looks like cake batter.
Pour in prepared pan.
Bake for 30 minutes.