Preheat the oven to 400. Place the butter in an 8x8 and put it into the oven to melt.
While the butter is melting, add the wet ingredients to a blender. Add the dry ingredients on top of the wet ingredients. Blend until smooth.
Drizzle the batter into the pan on top of the melted butter.
Cook for 35 minutes or until puffed and golden brown.
