6 egg whites
1 c. skim milk
2 tbsp. butter, melted
1 c. bread flour or all-purpose flour
1/4 tsp. salt
Vegetable cooking spray

Beat egg whites at high speed of an electric mixer until foamy. Add milk and butter; beat at medium speed until well blended. Gradually add flour and salt, beating until mixture is smooth. Pour batter into muffin pans coated with cooking spray, filling 3/4 full. Bake at 375 degrees for 45 minutes. Cut a small slit in the top of each popover, and bake an additional 5 minutes. Serve immediately.

Makes 1 dozen.