Combine the first 7 ingredients un the blender, mix for 1 minute. Refrigerate for 1 hour.
Brush the bottom of the pan with oil. When the oil is hot, not smoking, pour 3 tsps. of butter into the pan. Quickly till the pan to cover the bottom with the butter. Cook the pancakes for 1 minute.
Turn the pancakes when the edge lifts easily and it shakes loose from the pan, cook the other side for about a half minute. This side of the pancakes is a spotty brown which is the side where the filling is places. To store longer stack of pancakes between layers of waxed paper and refrigerate.