Preheat oven to 375 degrees. Put all ingredients except butter into bowl. Mix until well blended. Batter will be very thin. Melt butter in 9 x 13 inch pan and add about half to batter, leave remaining butter in pan.
Pour batter over hot butter and bake at 375 degrees for 30 minutes. Will puff up while baking. Delicious served with syrup, jam, jelly or honey. Cut into squares and serve while still warm.