Beat eggs at medium speed of an electric mixer until foamy; gradually add sugar, beating until thick and lemon colored. Add butter, vanilla, and anise oil; mix well. Add flour and baking powder; beat until smooth. Brush pizzelle iron lightly with oil; preheat iron over medium heat 2 minutes. Place 1 tablespoon batter in center of iron; close iron and cook 30 seconds on each side or until pizzelle is lightly browned. Repeat with remaining batter; ----