From: Taste of Home Magazine
1 cup milk
1 tablespoon vegetable oil
1 cup all-purpose flour
1/4 teaspoon salt
3 bacon strips, cooked and crumbled
In a mixing bowl, beat the eggs, milk and oil. Beat in flour and salt just until smooth (do not overbeat). Using two 12-cup muffin tins, grease and flour six alternating cups in each pan. Fill ungreased muffins cups two-thirds full with water. Fill greased muffin cups two-thirds full with batter. Sprinkle bacon over batter. Bake at 400° for 25-30 minutes or until puffed and golden. Serve warm. Refrigerate any leftovers. Yield: 1 dozen.
Note: The key to making great popovers is having the eggs and milk at room temperature or warm before mixing. It is also important to let the batter sit for an hour before baking it. Popovers do not freeze well and pre-made batter has a tendency not to work properly the next day.