Heat oven to 425°F. Pour beef drippings into ungreased 9-inch square pan; tilt pan to coat bottom and sides. Place pan in oven to heat about 2 minutes.
In small bowl, beat eggs slightly. Add flour, salt and milk; beat just until blended. DO NOT OVERBEAT. Pour batter into hot pan.
Bake at 425°F. for 15 minutes. Reduce oven temperature to 350°F.; bake an additional 10 to 15 minutes or until puffed and golden brown. Serve immediately.