Popovers

1 cup milk
1 cup flour
3 eggs
2 teaspoons oil
½ teaspoon salt

Combine in blender on high until bubbles form. Preheat oven and pan at 450°. Fill pan 1/2 to 3/4 full. Bake at 425° for 20 minutes; reduce heat to 350° and bake additional 20 minutes.