German oven pancakes

Preheat the oven to 425 and put 1/4 cup butter in a 9x13 pan and melt.  Then in a blender mix:

6 eggs

1 cup milk

1/2 tsp salt

1 cup flour

Remove pan with melted butter from the oven and sprinkle 2 tbsp of icing sugar on the bottom of the pan.  Pour in the ingredients from the blender and cook for 20 min at 425.