Popovers from the past

Yesterday's anticipation of Cheese Gougères has led to today's recipe for good old popovers. Here, Mary, as you requested, is Mom's recipe. I remember them filled with melting butter (Please don't remind me that it was really margarine!) and homemade strawberry jam.

Mom's Popovers

Sift:
1 1/2 C. flour
1/2 tsp. salt

Beat:
3 eggs

Add:
1 1/2 C. milk

Stir eggs and milk into the flour mixture.
Beat thoroughly.

Fill muffin pans 2/3 full. (Recipe doesn't say anything about greasing them, and I can't remember ... but can't hurt to grease the pans.)

Bake at 450° for 15 minutes, then at 350° for 20 minutes more.  I can't really make out that last number. My recipe card is tattered and ripped there. It looks very much like a 20, but it could be 30. Check after 20.

This is even quicker than gougères. Send photos!