4 eggs
1 c. milk
1 c. flour
1/3 c. butter

Preheat oven to 400 degrees. Melt butter in glass 9 x 13 inch pan in oven. Blend eggs and milk in blender. Add 1/2 of the melted butter and the flour and blend again. Pour mixture into the pan which has remaining butter. Bake at 400 degrees for 10 minutes. Dust with powdered sugar. Bake 5 minutes longer. Serve immediately.