Christmas Morning Swedish Pancakes

Pour into large Blender:
6 eggs
l cup milk
l cup flour
1/2 cup (l stick) melted butter (melted in 9x13 baking pan)
dash of salt
Blend for a minute or two
Pour into already buttered 9x13 baking pan. Place in preheated oven at 375 degrees. Bake until edges turn golden brown and pancake puffs up (about 20 minutes).
Serve immediately with butter, fresh berries and powdered sugar.