Cut butter into pieces and place in 9" round cake pan. Place pan in oven and turn oven on to preheat to 425 degrees.
2
In a small bowl, mix sugar and cinnamon and set aside.
3
In a food processor or blender, beat eggs, milk, and vanilla until well combined. Add flour and mix well.
4
When oven is preheated and butter is melted, remove pan from oven and pour in batter. Sprinkle top of batter with sugar and cinnamon mixture and return to oven.
5
Bake for 20-25 minutes until set and golden brown. Then remove from oven and let cool for 2 minutes.
6
Sprinkle with powdered sugar, if desired. Cut into pieces and serve with syrup or fruit.
