In a medium bowl or blender, add flour, salt, eggs and milk.and whisk until combined. Cover with plastic and chill in the refrigerator for an hour.

When roast has finished cooking, remove from oven and raise oven temperature to 425°. With a baster, remove ¼ cup of pan drippings from roasting pan to a small bowl. Place 1 teaspoon of drippings in each muffin tin and place in oven for 4 minutes until the pan is hot. Remove batter from refrigerator, and shake or whisk well. Pour batter half way up the sides of each muffin tin place in oven for 13-15 minutes or until crisped and browned. Remove and serve immediately.