Beat egg in medium bowl. Add milk, pumpkin, butter and vanilla; mix well. Mix remaining ingredients in large bowl until well blended. Add pumpkin mixture; stir just until blended. Let stand 5 minutes.
Pour 1/4 cup of batter per pancake onto preheated lightly greased griddle or skillet. Cook 1 to 2 minutes per side or until golden brown, turning when pancakes begin to bubble.