Preheat oven to 425°F. Place butter in oven-proof fry pan and place in hot oven till butter is bubbly.
Mix eggs, flours, milk and nutmeg well with wire whisk. Remove pan from oven and pour batter into pan. Place pan back in oven for 10-12 minutes. Remove and sift powdered sugar over pannekoeken. Place back in oven for 5 more minutes.
Top with pie filling of your choice and/or syrup, depending on how sweet you would like it. ENJOY!!